Medical research

Fasting ramps up human metabolism, study shows

Fasting may help people lose weight, but new research suggests going without food may also boost human metabolic activity, generate antioxidants, and help reverse some effects of aging. Scientists at the Okinawa Institute ...

Neuroscience

How depression can muddle thinking

Depression is associated with sadness, fatigue and a lack of motivation. But people with depression can also have trouble processing information and solving problems. Now scientists studying a rat model for depression are ...

Genetics

Laws of nature predict cancer evolution

Cancers evolve over time in patterns governed by the same natural laws that drive physical and chemical processes as diverse as the flow of rivers or the brightness of stars, a new study reports.

Psychology & Psychiatry

Is dopamine to blame for our addictions?

Most researchers agree that the key difference between human brains and those of other animals is the size and complexity of our cerebral cortex, the brain's outer layer of neural tissue. We therefore tend to focus our attention ...

Oncology & Cancer

New approach to ID chemicals that raise risk of breast cancer

A study published today in Environmental Health Perspectives outlines a new method for assessing how synthetic chemicals and pollutants may contribute to breast cancer risk. In addition to developing the chemical testing ...

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