It’s safe to slap on the sunscreen this summer — in repeated doses — despite what you have read about the potential toxicity of sunscreens. A new study led by the University of Queensland (UQ) and University of South Australia (UniSA) provides the first direct evidence that zinc oxide nanoparticles used in sunscreen neither penetrate the skin nor cause cellular toxicity after repeated applications. The research, published this week in the Journal of Investigative Dermatology, refutes widespread claims among some public advocacy groups — and a growing belief among consumers —…
Read MoreAuthor: Tom Patriot
How-to TIG Weld – Part 2 of 2
The sneaky way estrogen drives brain metastasis in non-estrogen-dependent breast cancers
Triple-negative breast cancers are more likely than other breast cancer types to metastasize and are especially likely to go the brain in younger women. Researchers have tested various hypotheses to explain this danger. One idea that has gotten little attention is the thought that estrogen might be to blame. After all, triple negative breast cancers lack estrogen receptors (along with progesterone receptors and HER2, thus the name triple negative), and so these cancers can’t possibly be influenced by estrogen. Right? Now a University of Colorado Cancer Center study published in…
Read MoreConnie Britton Opens Up About How Her Diet and Body Have Changed After 50
Like most parents, Connie Britton admits that finding that elusive me time can be a bit of a challenge. “I used to take long baths, but that has gone by the wayside,” says the actress, who is mom to 7-year-old son Yoby. “Even when I finally get him to bed and have a moment, it feels like so much work. I’m tired!” Still, the beloved star, whose fame skyrocketed thanks to shows like Friday Night Lights and Nashville, says she’s becoming more adept at knowing and asking for what she needs and wants, a skill she…
Read MoreImproving IVF success rates
Faster, cheaper and less damaging to DNA, a microchip device that pits sperm racing against one another is being developed by Afrouz Ataei from Florida Atlantic University and may help to improve IVF success rates in the future. Ataei is presenting the fitness stats on the sperm sorted by her device this week at the American Physical Society March Meeting in Boston, and she will also participate in a press conference describing the work. Information for logging on to watch and ask questions remotely is included at the end of…
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