PHILADELPHIA (Reuters) - A Delaware pediatrician faces 471 counts of child rape and sexual exploitation after being accused of abusing his young patients for more than a decade, according to a grand jury indictment.

NEW YORK (Reuters Health) - Where a US immigrant was born could play a significant role in how many pounds they pack on after arriving in America, according to a new study.

NEW YORK (Reuters Health) - Babies born by in vitro fertilization (IVF) do not face an increased risk of birth defects, nor are they at greater risk of being smaller than normal, according to a study conducted in Japan.

NEW YORK (Reuters Health) - Asian-American women may be less likely than white women to successfully have a baby after undergoing in-vitro fertilization, a new study suggests.

WASHINGTON (Reuters) - Researchers who mixed together bird flu and ordinary flu viruses created three extremely virulent new strains, a reminder that influenza viruses can swap genes to create dangerous offspring.

NEW YORK (Reuters Health) - Elderly adults with poor vision, particularly untreated vision problems, may have a higher risk of developing dementia than those with better vision, a new study suggests.

HONG KONG (Reuters) - How quickly an HIV patient's immune system deteriorates may not affect the outcome of the illness, a study has found, and this could help change current guidelines for treatment of the disease.

NEW YORK (Reuters) - The U.S. Food and Drug Administration said on Tuesday that HIV drugs Invirase and Norvir might lead to an abnormal heart rhythm when used in combination, according to preliminary data the agency is reviewing.

HONG KONG (Reuters) - Diabetes and its complications -- such as strokes and heart disease -- will place an enormous financial burden on poorer countries in years to come, researchers warned in a report published Tuesday.

NEW YORK (Reuters Health) - Cigarette smokers have lower IQs than non-smokers, and the more a person smokes, the lower their IQ, a study in over 20,000 Israeli military recruits suggests.

NEW YORK (Reuters Health) - A new study suggests that a synthetic chemical that is ubiquitous in the environment and in people's blood may affect the liver -- though the significance for human health remains unclear.

LONDON (Reuters) - Exposure to a chemical found in plastic containers is linked to heart disease, scientists said on Wednesday, confirming earlier findings and adding to pressure to ban its use in bottles and food packaging.

WASHINGTON (Reuters) - Diabetes advocates and a company that makes insulin pumps announced plans on Wednesday to team up to make a so-called artificial pancreas -- a system of pumps and monitors to manage type-1 diabetes.

CHICAGO (Reuters) - Americans are still too fat, but the obesity epidemic in the United States appears to be waning a bit, U.S. researchers said on Wednesday.

LONDON (Reuters) - More than three percent of sudden deaths in Europe are related to cocaine use and many of them are brought on by a "lethal cocktail" of the drug, alcohol and cigarettes, scientists said Wednesday.

LONDON (Reuters) - Medicines commonly used to treat high blood pressure and heart disease may cut the risk of developing Alzheimer's disease and dementia, U.S. scientists said on Wednesday.

WASHINGTON (Reuters) - People with fat in their thighs and backsides may live longer because the fat traps harmful fatty particles and actively secretes helpful compounds, according to a report published on Tuesday.

WASHINGTON (Reuters) - Public and private funding for U.S. biological and medical research has slowed and resources from one major federal source shrank when inflation is taken into account, researchers reported Tuesday.

CHICAGO (Reuters) - People with a gene linked to long life and good health are also less likely to develop Alzheimer's disease, U.S. researchers said on Tuesday.

GENEVA (Reuters) - Binge drinking and other growing forms of harmful use of alcohol should be tackled through higher taxes on alcoholic drinks and tighter marketing regulations, the World Health Organization (WHO) has recommended.

STONE TOWN, Zanzibar (Reuters) - A Zanzibari man crouches in a half-built roofless building, struggling to find a vein in his arm, while his friend takes over and injects the heroin for him, drawing blood back into the syringe.

WASHINGTON (Reuters) - The Food and Drug Administration's approval of cardiovascular devices is often based on weak studies or may be prone to bias, U.S. researchers said on Tuesday.

NEW YORK (Reuters Health) - Avoiding "fast food" burgers and fried chicken may cut your risk of developing type 2 diabetes -- the kind closely linked to obesity, new research hints.

NEW YORK (Reuters Health) - When it comes to weight-loss surgery for very obese adolescents, having the surgery sooner rather than later may yield a better long-term outcome, new study findings hint.

WASHINGTON (Reuters) - The widely used herbal supplement Ginkgo biloba does not appear to slow the rate of cognitive decline in healthy older people or those with mild cognitive impairment, U.S. researchers said on Tuesday.

NEW YORK (Reuters Health) - Perhaps it's not surprising, but for members of the U.S. armed forces, combat duty in Iraq and Afghanistan increases the risk of depression, according to a new study.

NEW YORK (Reuters Health) - Breast milk can be refrigerated for up to four days without losing its nutritional value or allowing bacteria to build up, a small study suggests.

NEW YORK (Reuters Health) - Hispanic kids are less likely than their non-Hispanic white counterparts to be diagnosed with autism, and socioeconomic factors don't seem to explain the difference, according to a new study in Texas schoolchildren.

NEW YORK (Reuters Health) - Taking a cholesterol-lowering statin will lower your cholesterol but it won't cut your risk of developing colorectal cancer, according to study of more than 400,000 Canadians.

WASHINGTON (Reuters) - A voluntary recall of Tylenol Arthritis Pain Caplets is being expanded because of consumer reports of an unusual moldy odor with the 100-count bottles, the U.S. Food and Drug Administration said late on Monday.

NEW YORK (Reuters Health) - How could something that feels so good - a long night's sleep - have negative consequences? Unfortunately, that is one possibility that results of a new study suggest: Older adults who sleep nine or more hours each day may have a higher risk of developing dementia than those who spend fewer hours in bed.

NEW YORK (Reuters Health) - Meat eaters might happily chew on the findings of a new study out of Japan hinting that eating meat at least every two days during middle age may help maintain independent daily activities when older.

NEW YORK (Reuters Health) - Medical editors are growing increasingly frustrated with top researchers who sign their names to manuscripts but fail to disclose the contributions of ghostwriters paid for by pharmaceutical companies. In an effort to crack down on the practice -- widely viewed as unethical -- one tech-savvy editor has been turning to data forensics worthy of a crime investigation drama.

NEW YORK (Reuters Health) - Patients with dry mouth caused by medications they are taking can safely use 10% hydrogen peroxide whitening strips, researchers report online by the journal Gerontology.

TOKYO (Reuters) - More than 40,000 Japanese people are aged 100 or over, up 10 percent over last year, a government survey showed on Friday, in the latest reminder of the economic problems facing the world's most rapidly aging country.

WASHINGTON (Reuters) - Two studies published on Thursday confirmed that a single dose of swine flu vaccine can protect people from the new pandemic H1N1 virus -- welcome news to global health officials who had worried that people might need two doses.

WASHINGTON (Reuters) - More than a million children die every year from two pneumonia-causing diseases easily prevented with vaccines, researchers reported on Thursday.

WASHINGTON (Reuters) - Tucked into President Barack Obama's speech to the U.S. Congress was a new talking point -- that his aim is to get health insurance for 30 million uninsured people, not 46 million.

CHICAGO (Reuters) - Scientists have discovered how bacteria fend off a wide range of antibiotics, and blocking that defense mechanism could give existing antibiotics more power to fight dangerous infections.

NEW YORK (Reuters Health) - The plume of dust and smoke sent up by the World Trade Center collapse may not have been a substantial cause of respiratory symptoms among people living outside of lower Manhattan, a new study suggests.

NEW YORK (Reuters Health) - Women of child-bearing age who use oral contraceptives face a lower risk of a leaky bladder than women of similar ages who do not take the pill, researchers from Sweden report.

NEW YORK (Reuters Health) - People who have growths or "polyps" in the colon removed can cut their risk of developing recurrent polyps by strictly adhering to a diet low in fat and high in fiber, fruits and vegetables.

NEW YORK (Reuters Health) - People who want to forestall heart disease and diabetes may do better by choosing antioxidant-rich foods instead of antioxidant supplements, a new study suggests.

LONDON (Reuters) - It's long been thought that broccoli is good for your heart, and now British scientists think they know why.

GENEVA (Reuters) - The pandemic H1N1 flu virus continues to cause widespread infection in many parts of the world but is not becoming more serious, the World Health Organization (WHO) said on Friday.

BERLIN (Reuters) - Always wanted to buy a sex-toy but cringed at the thought of entering one of those shops?

WASHINGTON (Reuters) - People who have agonized over their fat thighs might be able to relax a bit -- Danish doctors said on Thursday they found patients with the thinnest thighs died sooner than the more endowed.

WASHINGTON (Reuters) - The discovery of immune system particles that attack the AIDS virus may finally open a way to make a vaccine that could protect people against the deadly and incurable infection, U.S. researchers said on Thursday.

WASHINGTON (Reuters) - More pharmaceutical companies have completed studies required by U.S. health regulators after their products were allowed on the market than previously thought, according to an analysis released on Thursday.

NEW YORK (Reuters Health) - If you're having trouble remembering where you left your keys or recalling a word, mull over the number of times and how many years you've continued unhealthy behaviors.