<a href=https://explorable.com/cause-and-effect>Establishing Cause and Effect</a>. Cause and effect is one of the most commonly misunderstood concepts in science and is often misused by lawyers, the media, politicians and even scientists themselves, in an attempt to add legitimacy to research.
You can't catch cancer from anyone, in any way. Cancer is not contagious. You can't catch HIV/AIDS just by touching somebody. The AIDS virus is not found in sweat. Yes, you can catch a cold, or the flu by shaking hands with someone if you then put your hands on/near a mucous membrane (eyes, nose, mouth).
Treatment for cold hands or related diseases can include: 1  Adding behaviors that are helpful to blood flow, such as: Proper hand hygiene and skin care. Wearing the correct warm and protective hand gear. Healthy temperature regulation. Quitting smoking. 2  Medication. 3  Steroid injections. 4  Surgery.