Genetics

Biological clock able to measure age of most human tissues

Everyone grows older, but scientists don't really understand why. Now a UCLA study has uncovered a biological clock embedded in our genomes that may shed light on why our bodies age and how we can slow the process. Published ...

Overweight & Obesity

Scientists probe obesity's ties to breast cancer risk

Obesity is a well-known risk factor for breast cancer, but researchers haven't figured out what connects the two. A new study suggests the link may be due to a change in breast tissue structure, which might promote breast ...

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