Mother's milk, which consists of a complex and continually changing blend of proteins, fats and sugars, helps protect babies against bacterial infections.

It is still common for infants to be placed in unsafe sleeping positions by their caregivers, report researchers from Yale and Boston University. Fewer than half of infants are always placed on their backs for sleep, the recommended safe sleep position.

People who hear voices that other people can't hear may use unusual skills when their brains process new sounds, according to research led by Durham University and University College London.

Sedentary time, for example, time spent sitting, increases the risk of death for middle-aged and older people who are frail and inactive, but does not appear to increase the risk for nonfrail people who are inactive, according to a new study published in CMAJ.

When to initiate screening for breast cancer, how often to screen, and how long to screen are questions that continue to spark emotional debates.

The United States Food and Drug Administration (FDA) have waged a war against smoking and now new steps are in place to help quitters go ahead and stop smoking.

Physicians at St. Michael's Hospital are studying how full-time income support workers hired by health-care clinics can help vulnerable patients or those living in poverty improve their finances and their health.

Working in collaboration with teams from the Czech Republic and Japan, researchers from the Institut Pasteur, Assistance Publique - Hôpitaux de Paris (AP-HP), and Assistance Publique - Hôpitaux de Marseille (AP-HM) have identified, for the first time, the likely origin of the cross-reactivity between cypress pollen, peaches and citrus fruits.

Northwestern Medicine scientists have developed a novel method of tracking HIV infection, allowing the behavior of individual virions -- infectious particles -- to be connected to infectivity.

Sleep is essential for good mental and physical health, and chronic insufficient sleep increases the risk for several chronic health problems.

A new approach to optical imaging makes it possible to quickly and economically monitor multiple molecular interactions in a large area of living tissue -- such as an organ or a small animal; technology that could have applications in medical diagnosis, guided surgery, or pre-clinical drug testing.

A review of kidney cancer in California from 1988 through 2013 by the UC Davis Institute for Population Health Improvement has concluded that the high incidence of small tumors and early-stage disease observed in California from 1988 until about 2009 has declined and stabilized in recent years, signaling the end of a trend.

Older smokers are usually more set in their ways, but a dollar increase in cigarette prices makes them 20 percent more likely to quit, a new Drexel University study found.

Every cell in the body, whether skin or muscle or brain, starts out as a generic cell that acquires its unique characteristics after undergoing a process of specialization. Nowhere is this process more dramatic than it is in red blood cells.

Avian flu can be transmitted from birds to humans; transmission among humans, however, is limited. The reason may be an eggshell-like mineral layer that the virus acquires due to the high calcium concentration in the intestines of birds.

When you hear the words "Santa Cruz," you likely think of surf, sand and other beachside fun. It's easy to forget there is a world class research institution, University of California, Santa Cruz, nestled in the redwoods right above town.

Leading pediatrics and sleep associations agree: Teens shouldn't start school so early. Yet University of Michigan research finds parents are split almost down the middle on whether they support delays in school start times that might permit their 13- to 17-year-olds to sleep later on school days.

A new analysis indicates that few strategies to increase living kidney donation have been evaluated effectively; however, educational strategies targeted to recipients and their family and friends have the best evidence of being successful.

The University of Houston has received $3.3 million from the Cancer Prevention and Research Institute of Texas.

Regular exercise is considered an important form of treatment for heart failure, a condition in which the heart is unable to pump enough blood to meet the body's needs.