Amanda Chan

Osteocalcin does more than help with the bone formation process -- it can play a role in boosting sex hormone levels, too.

Some doctors are calling for surgeons to be required to inform patients if they had inadequate sleep the night before elective surgery.

Video-chatting is changing the face of doctor-patient communication.

The study shows the way learning changes the brain can help people with mild cognitive impairment.

Gay men are almost twice as likely as straight men to report having had cancer in adulthood.

But the benefits of airport screening still largely outweigh the small health hazards, according to another expert.

Study provides more good news for coffee-drinkers everywhere.

But the risk is only increased compared with the times you're resting; overall, heart attack risks are still low.

Eating fish rich in omega-3s at least once a week reduces the risk of developing AMD by 42 percent.

Avastin is as effective as Lucentis in treating age-related macular degeneration.

The treatment helped nearly half of patients gain back some mobility.

As body searchers and pat-downs get more personal, the risk increases for transmission of microbes, a microbiology professor says.

Time spent in traffic accounted for the most heart attacks, the study said.

Cancer patients who took Avastin with chemo were 1.5 times more likely to die from treatment-related death than those who didn't take the drug.

Microbleeds can occur either from blood vessel damage, or accumulation of amyloid plaques in blood vessels.

Mammograms may have a use beyond looking for breast cancer tumors.

Teens who have trouble sleeping are about two-and-a-half times more likely to have suicidal thoughts than teens who sleep fine.

The finding suggests some people's HDL cholesterol contains a compound that better unclogs arteries than others' HDL.

A growing, aging population and unhealthy lifestyles account for projections of a near-doubling of cancer cases.

Pregnant women who eat peanuts are more likely to have babies who test positive for peanut allergies than women who don't eat peanuts, according to a new study.

The high levels of antioxidants in the fruits have cancer-fighting properties.

Kids with chronic kidney disease who are born at a low weight have a poorer growth rate than kids born at normal weight.

But more research is needed before vitamin D can be used as a possible treatment for male infertility.

Four out of 10 hospitals advertise robotic surgeries on their websites.

Researchers found that the effectiveness of selective serotonin reuptake inhibitors, called SSRIs, was affected with ibuprofen use.