Answer: You could offer to volunteer at a Hospital, or you could help teach others about their health and wellness, and also help with donations towards Hospitals and Clinics.
Hope this helped!
In the ways drugs and supplements are the same are they both have an effect of the body's nervous system and both are psychoactive substances. In the ways they are different, drugs are often used for overcoming a illness while supplements are not necessary and are optional. Hope I helped!
It isn't literal. It's a war quote meaning if you put in good and hard effort, it can save your life. In my oppinion, that can relate to more situations and circumstances in life though.
The lens is a separate part of the eye. Rods, cones and fovea are all in the retina.