health

Questions and Answers

Is it true that reheating spinach is dangerous for your health?

Psychology & Sociology

Ergonomics: working time and health

Questions and Answers

Can I make my milk lactose-free myself?

Questions and Answers

How fertile are men who breastfeed?

Questions and Answers

When an HIV-infected man ejaculates on a woman’s body (eg her breasts), how long does the HIV virus remain contagious?

Questions and Answers

Is there a high risk of HIV if the penis of an infected man enters the vagina just a few centimeters in front?

Questions and Answers

If you smoke marijuana, how long will it stay in your blood if you did one daily and then stopped?

Questions and Answers

With blood tests you also get the PSA value with the result. It is best to stay below 5. How should this value...