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Addicts' Brains May Be Wired At Birth For Less Self-ControlA study of cocaine addicts finds that they have abnormalities in areas of the brain involved in self-control. And these abnormalities appear to predate any drug abuse.
Tick Tally Reveals Lyme Disease RiskResearchers counted more than 5,000 ticks to calculate the risk of Lyme disease in the Eastern U.S. Turns out the risk is high in the Northeast and nearly zero in the South.
New Silica Rules Languish In Regulatory Black HoleLast year it looked like stricter controls would be put in place to limit workers' exposure to dangerous silica dust. But for almost a year, the proposed regulations have been stalled at the White House Office of Management and Budget. Worker safety advocates are growing frustrated, but industry stakeholders say current regulations are sufficient.