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ScienceNet is a World Wide Web resource database in Science. It is a community service project by Science Centre Singapore, supported by Nanyang Technological University and National University of Singapore.

We offer free electronic access to various topics in Science and Technology. Feel free to browse through our database and see if we have the answers to your questions.

Life Sciences - Pharmacology/ Medicine/ Disease
Q20280 :	What is the placebo effect?
Q19815 :	The cause of mad cow disease is the infectious forms of a type of protein, prions, found in infected animals. Since prion is not a living organism, how does it attack the brains of cattle? Thank you!
Q19719 :	How do sore eyes infect one another?
Q19655 :	How do Type A influenza viruses affect animals? How do they then affect humans?
Q19633 :	What is dengue fever and how is it transmitted?
Q19249 :	What causes chickenpox and why is chickenpox called chickenpox?
Q19062 :	May I know what is hypoglycaemia?
Q19031 :	Is there a term "lactose intolerant"? What happens when a person is lactose intolerant?
Q19013 :	What causes itchiness?
Q18869 :	Are hair loss treatments really effective? Do they really make hair grow back?
Q18857 :	How does cancer occurs and is there any cure?
Q17706 :	How does the sodium bicarbonate in gripe water react with the hydrochloric acid in an infant's stomach?
Q17088 :	What is aflatoxin?
Q16793 :	What is iron deficiency Anaemia?
Q15851 :	What are the health hazards of aluminium? Is there a link between aluminium uptake and Alzheimer disease?
Q15694 :	Which chromosome is the gene located on for Tay-Sachs disease?
Q15595 :	I would like to know why aspirin has a distinct odour and why does it occur?
Q15484 :	What is Mad Cow Disease?
Q15483 :	Can you please provide information about hand-foot-mouth disease?
Q15369 :	What is yellow fever? Is yellow fever caused by a bacterial infection or a viral infection?
Q15333 :	What is the toxicity of boric acid and borax?
Q15186 :	What are the symptoms of ethylene glycol poisoning? What are the products of ethylene glycol metabolism in the human body? Why does it have such harmful effects? How are victims of ethylene glycol poisoning treated?
Q14834 :	Which part of the Ginger plant is useful to man, in terms of its medicinal value?
Q14154 :	Which part of the Balsam plant is useful to man; in terms of medicinal value?
Q14011 :	What medicines should a patient with G6PD deficiency stay away from?
Q13726 :	What is PROPOXY-N/APAP? What are its proper uses?
Q13684 :	Why is it not advisable to take Panadol with wine?
Q13488 :	What are thyroid problems?
Q13373 :	Is it possible for a person to be a thalassaemic minor if neither of the parents are carrier of this thalassaemic gene?
Q12336 :	What is the best way to get rid of a wart?
Q12281 :	What is anaemia? Who is affected most by it? How is anaemia treated?
Q11985 :	When we have a sore throat, Chinese physicians tell us that we have eaten too much 'heaty' foods. Is this 'heat' just a Chinese myth or can it be explained in scientific terms?
Q11727 :	Are there any reasons why there would be a high white cell blood count in a four year old girl?
Q11517 :	How does insulin help to control diabetes in a chemical way? What are the molecules involved in stopping diabetes from worsening? In what ways do the molecules act in stopping the worsening of the condition? What are the most common types of insulin used by patient nowadays?
Q11210 :	What is aplastic anaemia?
Q11021 :	A few times during sleeping, I get a feeling of unable to move and breathe and the heartbeat felt as if it is slowing down. It took a lot of effort for me to try to "wake up" from the trance. Such occurrences seemed random. Is this a sleeping disorder?
Q10962 :	What are the signs of hand, foot, and mouth disease?
Q10938 :	If you have tapeworms, what should you do?
Q10879 :	Why do I have acne/pimple which develop 'lumps' on my forehead. After poking it with a needle, a yellow substance or a green liquid came out when it squeezed it. How can I prevent acne and treat it?
Q10839 :	What causes anaemia with large blood cells?
Q10274 :	I need information on tapeworms. What are the symptoms if the worm remains in the intestines?
Q10188 :	Does the pain killer propoxy interfere with antibiotics?
Q9770 :	I was wondering where I could find information on alpasic anemia. Any information that you could give me would be greatly appreciated.
Q9723 :	What is beri-beri?
Q9658 :	Are there any clinical applications of platinum?
Q9546 :	How does leukemia come about? How does bone marrow transplant help the patient?
Q9470 :	What are the causes of "ringing-in-the ear" phenomena ? What are the effective treatments?
Q9205 :	Is it possible for urine to contain some oil components due to certain drug intake?
Q9201 :	How many types of aneamia are there and what are they, also, what are all the possible causes for aneamia?
Q8326 :	What is a cold? Where does it come from? How does it spread(inside and outside the body)? How does one's body fight this infection? Please be elaborate and specific.
Q8122 :	Why do I have to syringe my left ear annually? What causes this block up and why it doesn't happen to my right ear? Thanks.
Q8060 :	Can a person get Hepatitis B by eating dirty and contaminated food or can the person only get it through unprotected sex, razors sharing, and blood transfusion?
Q7646 :	What is the significance of elevated blood enzymes with regard to a possible diagnosis of cancer: colon or others?
Q7283 :	I recently donated blood to my mother who is to have an open heart surgery the end of this month for an aortic valve replacement. The blood bank called her today and told her that my blood was incompatible with hers and called it the "Anti E". What is "Anti E"?
Q7088 :	I have the urge to vomit for the past month even though my stomach is in perfect health. What could be some possible causes?
Q7050 :	Why do nose breathers seem to get fewer colds then mouth breathers? And what is the real cause of hiccups?
Q6829 :	What causes Tay-Sachs disease?
Q6764 :	What exactly is bone marrow and how do you get tested for it to see if you are a match?
Q6309 :	What causes hypertrichosis?
Q6225 :	What is thalassemia?
Q6145 :	I would like to know the molecular formula of the Chinese antimalarial drug called qinghaosu and the way it works.
Q5872 :	(a)When I took aspirin many years ago, my eyes will get swollen. It was so big that my eyes are completely shut and tear keeps flowing out. Now even when I take panadol, the same reaction happen but to a lesser extend. Why is this so? (b)My doctor said I am allergic to these medicines: panadol, aspirin, all anti-flammatory agents (NSAIDS). What is NSAIDS? (c)When I have a fever, there is nothing any doctors can do except ask me to drink more water and rest. Any commnets? (d)Can allergy be cured?
Q5743 :	What are the exact causes of diabetes mellitus?
Q5666 :	Are colds caused by a virus or by the coldness of the environment?
Q5656 :	I have a history of severe sinus infections, a duodenal ulcer since I was 19 which recently was diagnosed as being bacterial related and I was treated with four medications two years ago (I'm now 41) and am now being treated with three medications to try to eradicate the bacteria. On top of that, they believe I have endometriosis. I previously had many miscarriages and they believe I have a condition called ovarian cyst. There is a small lump in my breast and is now being checked further. Does anyone know if any or all of these problems could be linked to one bacteria that possibly resides in the mucus linings of the body ? or is there any possible connection between all of these problems?
Q5628 :	What causes cataracts, and is there any way to prevent them?
Q5555 :	What is dandruff? Is it harmful to us? What is the treatment?
Q5528 :	I'm a teenager of age 16. I don't know why I have been losing hairs for the past few months. Now, patches of white scalp can be seen on my head. What is causing this? Do you know of any remedy for this condition? Thanks.
Q5526 :	I wish to know how long does a anaesthetic take effect after injected into a person's body? And also, what does it do to our body system, and if there is any side effect? Why do people feel sick after their operation? Thank you.
Q5335 :	What cause mouth ulcers? What is the treatment?
Q5274 :	What causes the white spots on fingernails?
Q5246 :	What is Scoliosis? Does it have to do with the spine? I had a x-ray done recently for my lower spine. The report was that there was Scoliosis. I want to know what it means exactly and how serious it is.
Q5200 :	What is atrial septal defect (ASD)? How can this be treated? Where can I find more information about this defect?
Q5089 :	Please give me a list of genetic disorders.
Q4787 :	A friend of mine is suffering from high myopia of 900 degree for both eyes. She is very worried as she may become blind. She is thinking about the operation that can cure myopia but she is only 14. If no operation is done, her myopia might rise as high as 2000 degree by the time she is 21. What can she do?
Q4436 :	Could you please provide information on colour blindness and test for colour blindness?
Q4394 :	I am looking for information on the properties and synthesis of paracetamol. Can you please help?
Q4342 :	What is the cause of urinary infection?
Q4274 :	Can giving a blood donation cause aneamia? In this case, is it temporary? When will it return to normal? Generally, what are the causes of aneamia? Is it a serious problem?
Q4215 :	Does female produce testosterone? And if so, what is the effect on her body?
Q4196 :	What is Viagra?
Q4195 :	My younger brother (age 12) has recently been diagnosed with spinal meningitis and he is now complaining of blurred vision. Why is this so? What contributes to this condition?
Q4169 :	What are possible effects of an elevated pancreatic lipase level?
Q4120 :	My ears have been stuffed up for weeks. This happened once before when they stayed stuffed up for 3 months. (They became unstuffed when I flew on a plane.) I've noticed that I can't sneeze during this stuffed up period - any time I started to sneeze, it was suppressed. Is there a relationship between not being able to sneeze and my ears being stuffed up? And can something be done about it? Prescribed sprays do not help. My doctor has no clue about this problem.
Q4099 :	What is cancer?
Q4060 :	How do analgesics work?
Q3995 :	What is epsom salt? Is it some kind of medicine?
Q3979 :	What causes gastric pains? And how do antacids relive this pain? Can you explain how antacids work? Thank you.
Q3964 :	The top of my rear end has a large swollen lump. It's been there for a while and the pain is off and on. It hurts so bad that I can't even sit down. What could be the cause of that?
Q3860 :	What does being 'brain dead' mean and is there any hope of recovery?
Q3826 :	I am recently on a research of teenage issues. What is Bulimia and Anorexia? Where can I get the information?
Q3825 :	I am currently taking a painkiller for oral surgery. It is called Propoxy N. I am having extremely painful and constant headaches. Could these headaches be related to this medication? Should I keep taking it or stop using it?
Q3692 :	Is there any other use of radiation in microbiology other than the use of it in the treatment of cancer?
Q3491 :	Can I know more regarding STD (Sexually Transmitted Disease) as I am learning them in Science now?
Q3120 :	What is typhoid?
Q3114 :	What are haemorrhoids? How is it formed in our body?
Q3087 :	Adenosine causes drowsiness. Certain drugs/medicines cause similar effect. Is the latter due to the presence of adenosine in the drugs/medicines or is it that the consumed medicines induce adenosines in the body system, which then cause drowsiness?
Q3078 :	What is quinine used for?
Q3010 :	What causes a boil to appear from beneath the skin out of nowhere? How can it be prevented?
Q2977 :	How to cure fingernail fungus?
Q2955 :	I would like to know how is it that hormones, being proteins which would be digested by the digestive system, can't be administered orally to patients in a liquid form, but possible in the form of pills, such as in HRT for women?
Q2941 :	What is malaria and lyme disease? Can you please give me some Web sites or reference that I could use to find out more about it?
Q2913 :	My muscles are tense. What is the cause? Any cure for it?
Q2838 :	Who did the original research for the BCG (bacillus Calmette-Guerin) of bladder cancer? When was that? What kind of methodology was used? Which Institution was that?
Q2768 :	How does a person get Obsessive Compulsive Disorder?
Q2730 :	Why do I lose my appetite when I get a cold?
Q2596 :	Fingernail splitting: It began with the left hand ring finger where the cell structure broke down and the final nail extension (last 1/8 to 1/4") splits towards the center of the nail. I estimate this has been going on for a dozen years or more and during that span of time this same weakness is progressing and showing up on both baby fingernails and both thumbnails, but to a lesser extent. In spite of increasing a higher intake of calcium and gelatin products, there has been no improvement. Are you aware of any explanations for this problem?
Q2548 :	What is Kamisaki Disease?
Q1892 :	Which have more ribosomes, hair folicles or fat cells, and why? What is Tay-Sach's disease?
Q1769 :	I'm a medical student in the final practical year at our university. Does anyone know what is a Histamine Typ III Receptor, about its location, effects, and drug interactions?
Q1611 :	Medicine has many different branches. What is the name of the branch that specializes in the care of children?
Q1572 :	What is the best way to go about finding recent information concerning the treatment of thalassaemia (for example which journals, contact addresses, Web sites etc.)?
Q1518 :	What is G6PD Deficiency?
Q1403 :	Where can I find information on tuberculosis (TB) research?
Q1198 :	(i) What is a tapeworm? (ii) Is it really found in the intestine? (iii) How does it get there? (iv) How does it get out? (v) How does it reproduce?
Q550 :	What is the name of the disease that makes a person look like a monkey with a lot of hair on their face and body? What are the other symptoms associated with that disease? Also what other diseases cause a lot of hair growth on the face and what are the other symptoms for those diseases?
Q453 :	Where can I find the reference visual showing the ranges between positive and negative TB skin test results.
Q438 :	What are analgesics? May I know some examples of analgesics and their uses?
Q420 :	What is thalassaemia major? What is thalassaemia minor?
Q265 :	Can you explain why some people contract cancer?
Q253 :	May I know how many types of vitamins there are in total and what their functions are?
Q233 :	Why are most types of medicine bitter and others are not?
Q217 :	What is TB? What are the symptoms? What can we do to prevent contracting TB? Is it reviving again?
Q183 :	What are the functions of ascorbic acid or vitamin C? What are its properties?
Q97 :	Are drugs obtained from plants? How are they made?
Q91 :	What are the differences between antihistamines and histamines?
Q56 :	How does the Mantoux test work?
Q1 :	A patient is advised that the reconstituted antibiotic suspension is stable for 14 days in a refrigerator. If the product is by accident left at room temperature for half a day, what will be the reduction in the expiration period?

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