<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).
When you have low blood sugar levels, your body is deprived of energy, and this may also cause tremor and shaky hands. Eating a lot sugary foods causes a sudden spike in your blood sugar levels, but than they also drop back down again very quickly. This can result in shaky hands, and cause other symptoms such as weakness and irritability. To stop your hands from shaking, you should consume more slowly digested carbohydrates such as sweet cereals and fruits. 6. Reduce Stress, Practice Relaxation Techniques and Get Enough Sleep. Stress, anxiety and nervousness are a common cause of shaky hands. You should therefore try to relax and reduce stress and tension in your life, as much as you can.