Answer: Public health measures such as pure food and water, and development of immunizations against many serious diseases such as polio and smallpox, coupled with enhanced economic conditions, are together credited with substantial reductions in the burden of infectious diseases.
D) Abstinence
The only way is to not have sex at all
You can always play with your dog. If you don’t have an animal cook some food! Go outside take a walk and read a book on a swing. Whatever it takes to avoid the use of drugs!
Unsweetened almond milk. Most kinds of milk have Vitamin D unnaturally put in them. Almond milk is high in iron and calcium. It also has some vitamin A and C artificially placed in it.