<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).
Five common ways germs are spread: 1  Nose, mouth, or eyes to hands to others: 2  Germs can spread to the hands by sneezing, coughing, or rubbing the eyes and then can be transferred to other family members or friends.3  Simply washing your hands can help prevent such illnesses as the common cold or eye infections.ive common ways germs are spread: 1  Nose, mouth, or eyes to hands to others: 2  Germs can spread to the hands by sneezing, coughing, or rubbing the eyes and then can be transferred to other family members or friends.