Lead Poisoning: A Silent Epidemic How much lead is harmful Until the 1970s, exposure to lead was considered dangerous only at blood levels associated with extreme symptoms of poisoning: convulsions (惊厥), brains swelling, acute kidney disease, stomach pains and hallucinations (幻觉). But low -...
It's all in the lead. A recent report from the National Academy of Sciences found that OSHA lead exposure standards are too lax to protect military firing range employees. Repeated exposure to the toxic metal causes a raft of health problems including brain damage, highBS Zhang...
aMany of us know the harm of begin overweight,but we usually don't know how dangerous it can be to be underweight.Beiing a little overweight,or begin a little underweight,which is worse? 多数人的我们知道害处开始超重,但我们通常不知道多么危险它可以是重量不足的。Beiing超重的一点或者开始重量...
expressing anger can be dangerous.They believe that those who express anger violently may be more likely to developheart disease, and they believe that those who keep their anger inside may face agreater danger of high blood pressure.Doctors say the solution is learning how to deal with anger....
In a world where 【1】 is given for people’s accomplishments, failing feels dangerous. The fear of failure can stop people taking risks that might lead to success.Heidi Grant Halvorson, a psychologist, points out much of success is 【2】 not on talent but on learning from your mistakes....
and I was worth saving. The really sad thing is, in many parts of the world, we're raised to believe that strangers are dangerous by default, that we can't trust them, that they might hurt us. But most strangers aren't dangerous. W...
Clearly, some amount of ambition is good for your motivation. Without any ambition, you wouldn’t start your own business, set or achieve goals and get far in life. But an excess of ambition can also be dangerous, pu...
R&B is so much bigger than just the perceived, stereotypical notion of what the genre can be. I love how deeply you explore and solidify yourself in different strands of inspiration. On "Type Questions," for example, the way you were sparked by50 Cent's "21 Questions" is such...
The actual reason they didn't experience a catastrophe is that such catastrophes are typically not part of a fear or phobia. These are anxiety disorders, not catastrophe disorders. People get through the experience because the experience isn't actually dangerous. But it's understandably hard for ...
Brand equity is a measure of the perceived worth of a brand or product in the eyes of consumers. Learn how to build and strengthen your brand’s equity.