Answer:
HIV is a virus that weakens the body's immune system, which is passed through blood, semen, or vaginal fluids. Ex: Sex, sharing needles. Its not curable, but with proper medical care it can be controlled. Poor treatment of HIV can cause AIDS, aka, stage 3 HIV.
One mechanism could be educating people about HIV/AIDS from mouth to mouth, another would be to make long lectures which would educate people about this disease, another would be to make workshops which would serve the same role.
Approach: if you suspect someone may need a hand, walk up, greet them and identify yourself. Help them out.
push ups and jogging/running
pushups benefit physical strength and jogging/running benefits aerobic capacity
