Vast clinical trials to demonstrate the safety of new drugs will impose huge development costs on manufacturers.

Vast clinical trials to demonstrate the safety of new drugs will impose huge development costs on manufacturers.
There is an association between growth hormone and mortality, but that doesn’t mean that the former causes the latter.
To treat cancer in the developing world, different techniques are needed than are used in wealthier countries.
Hormesis is a phenomenon in which exposure to low doses of toxins can have health benefits, scientist argues.