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The U.S. Food and Drug Administration (FDA) is investigating claims that several deaths have been caused by Monster Energy®, an energy drink manufactured by Monster Beverage Corporation. Last year, a teenage girl died after drinking two 24 ounce cans of Monster Energy® over one day. Autopsy reports showed her death was due to heart complications from caffeine toxicity. However, she had a genetic heart condition, making it unclear if her death resulted from the energy drinks.

In the study, the team classified breast cancer into at least 10 different subtypes: each characterized by common genetic features that link to survival. This suggests we need to rethink what we call breast cancer and start looking at it as at least 10 different diseases, each with its own molecular fingerprint and pattern of weak spots.

A gene has been linked to at least three cancers in different tissues in the body, US researchers say. Their findings, reported in the journal Science, showed a fifth of melanomas (skin cancer), Ewing's sarcomas (bone) and glioblastomas (brain) had a defective copy of the gene STAG2.

Johns Hopkins scientists, reporting in the journal Molecular Psychiatry, have identified a small region on chromosome 2 that is associated with increased risk for attempted suicide.

Largest study to date spots more than 50 possible culprits in autoimmune disease.