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Skin responsible for greater exposure to carcinogens in barbecue smoke than lungs

With summer coming, it's only a matter of time before the smells and tastes of barbecued foods dominate the neighborhood. But there's a downside to grilling that can literally get under your skin. Scientists report that skin is a more important pathway for uptake of cancer-causing compounds produced during barbecuing than inhalation. They also found that clothing cannot fully protect individuals from this exposure.

How intestinal worms hinder tuberculosis vaccination

New research in mice suggests that chronic infection with intestinal worms indirectly reduces the number of cells in lymph nodes near the skin, inhibiting the immune system's response to the Bacille Calmette-Guerin (BCG) vaccine for tuberculosis.

Understanding steam burns

Even if the wound looks superficially harmless, steam burns must be cooled persistently. Researchers have now been able to show for the first time how hot steam achieves its vicious effect: it penetrates the upper skin layer and can cause severe burns in the lower skin layers -- initially almost invisible.

Forensics: New tool predicts eye, hair and skin color from a DNA sample of an unidentified individual

An international team has developed a novel tool to accurately predict eye, hair and skin color from human biological material -- even a small DNA sample -- left, for example, at a crime scene or obtained from archeological remains. This all-in-one pigmentation profile tool provides a physical description of the person in a way that has not previously been possible by generating all three pigment traits together using a freely available webtool.

Oilseed crop's waste product yields compounds that protect skin from the sun

Meadowfoam, a native Pacific Northwest plant cultivated as an oilseed crop, has emerged as a potential new source of protection against the sun's harmful effects on the skin.