Scientists are studying a tiny zebrafish in order to better understand how anxiety and stress affect the brain, pinpointing a key brain structure that may hold the answers.

Nationwide flu hospitalizations among older US adults peak first in western states such as California, Utah and Nevada and last of all in eastern New England states like New Hampshire, Rhode Island and Maine.

The protein known as SIRT1 -- known for its life-spanning effects -- has been shown to inhibit prostatic intraepithelial neoplasia (PIN), which often prefigures prostate cancer.

Removing or inhibiting the enzyme 12-lipoxygenase might prevent or help treat ischemic retinopathy by delaying the growth of blood vessels in the retina.

In 2001, the World Health Organization (WHO) recommended that mothers exclusively breast feed their babies for the first six months. However, a new review disputes the WHO recommendation.

As most people know, plenty of exercise is likely to prevent obesity and reduce the risk of diabetes. Yet, a new study finds that simply increasing the amount of steps taken each day will also reduce the risk of obesity and diabetes.

New findings show that home-based dialysis may suit some kidney transplant failure patients.

Some heart attack patients are not taking their medications, thus putting themselves at greater risk of hospitalization and death.

A chemical substance injected into mice has decreased their "fear conditioning" response and may be a viable option to help people overcome post-traumatic stress.

Smoking may actually have a positive affect on brain function in people with schizophrenia, prompting scientists to study the brain receptors influenced by nicotine.