The answer to your question in true.
Family members share their genes, as well as their environment, lifestyles, and habits. Everyone can recognize traits such as curly hair, dimples, leanness, or athletic ability that run in their families. Risks for diseases such as asthma, diabetes, cancer, and heart disease also run in families
Steroids dissolve fatty tissue in the brain.
Inhalants influences moods
And Stimulant speed up bony function.
Portal of exit, i think. Its open wounds on the skin in the chain.