What causes infectious diseases such as chicken pox, mumps, common cold, and hepatitis?

Emigration from rain forests humans, Homo sapiens, evolved in Africa 200,000 to 400,000 years ago something made them leave this seemingly hospitable environment ... perhaps they were trying to...

Blood draws, injections, just like any other specialty

He could be an asymptomatic carrier of most any STD. Meaning he could have any STD, not show any signs or symptoms, not know he has it and pass it to you. A common one would be HPV. Most men who...

I do not know that they are more horrible. Certainly, in the case of hereditary diseases, the parents will feel a burden of guilt. But the one passing on the infection might also feel guilty.

1st: Hep B is contracted by direct contact with open wound or from blood to blood! 2nd: why is his mom still washing his shirts?

Infectious means contagious and is usually VIRAL. Other people can catch and pass it on by being around but not necessarily touching the infected person. EG: Cold virus, Travels in the air. Non-...

Diarrhea, dysentery, cholera, typhoid, hepatitis A and E, poliomyelitis, botulism, food poisoning (staph.), intestinal helminthiasis (worms).

The odds of catching a disease from a toilet is extremely slim. Unless you have any cuts around the waist line that could become infected from germs on the toilets.