<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).
What Causes Shaky Hands? Many people associate shaky hands with Parkinsonâs disease, but the most common cause of shaking hands is actually essential tremor. Essential tremor is the most common neurologic disorder affecting adults, but itâs not well understood. Itâs likely caused by a disruption in normal brain function of the cerebellum, though researchers are not entirely sure what causes the interruption, if it is a degenerative process, or how it can be stopped. People with essential tremor often experience frequent shaking. The shaking is most common in the hands, arms, head, and vocal cords, and cannot be controlled. This shaking is most obvious when you try to use a muscle. When the muscle is relaxed, the shaking will likely not occur or it will become milder.