Shrinkage
wiki
they can make you sick but its not that bad for you
with pictures?
Some common questions about heat and its effects on the environment and human health include: How does heat contribute to climate change? What are the health risks associated with extreme heat events? How can we mitigate the impact of heat on both the environment and human health?
i don't know the answer for this question
it depends on the type of drug which you are using Every category of drug have its own side effects on human health.
It causes burns and can cause internal damage if swallowed. :)
See "Does the hole in the ozone layer effect human health?"
causes problems with nervous system
ummm...nothing because there are no evil spirits
it effects humans health by the wetness or the way it forms and all the presipation can increase a humans heart beat!