You could exercise, listen to music, and maybe doing something you like to do(hope this helps):)
Post traumatic would be a disorder that includes flashbacks.
Generalized anxiety disorder would be experiencing frequent and intense fear.
Obsessive-compulsive is an extreme fear of a specific object or situation such as, you see one book with the pages facing outward and the rest have their spine showing.
The answer to your question is true
Smoking during pregnancy can cause a baby to be born too early or to havelow birth weight—making it more likely the baby will be sick and have to stay in the hospital longer. A few babies may even die. Smoking during and after pregnancy is a risk factor ofSudden Infant Death Syndrome