Dr. Susan Sharma: This is insidermedicine in 60. From California, exposure to sunlight and its effect on vitamin D synthesis may reduce the risk for advanced breast cancer. Research on close to 4000 women, nearly half of whom had breast cancer, showed that those with significant exposure to sunlight had nearly half the risk of having advanced breast cancer but this was only found in those who were light skinned.
From Texas, research in mice has demonstrated a brain pathway that may be the basis for why those with severe stress are unable to cope. The research showed that mice were severely stressed at a high level of brain-derived neurotrophic factor in the area of the brain linked to reward and emotion. BDNF is linked to learning, but in this situation it is believed that its release shows that the mice were mentally re-living past traumatic events.
From Minneapolis, malfunctioning wires used to send electrical current to the heart that is no longer beating properly are behind a recent company-initiated warning. Cracks in the wires are leading to shocks being deployed incorrectly. While the wires do not necessarily need to be replaced, patients with these recalled wires need to have regular testing performed.
And finally from Maryland, the FDA is warning that drugs used to treat ED, like Viagra, may cause sudden hearing loss. With 29 cases of hearing loss occurring within 2 days of taking the medicines, the FDA is warning that those with hearing loss or new onset ringing stop taking the medicines immediately. The warnings are for Viagra, Levitra and Cialis. For Insidermedicine in 60, I'm Dr. Susan Sharma.
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