What does it mean if a person is called frail?

Would corned beef cause too much sulfur? What if you are pregnant and craving the things that cause miscarriage? Why are there so many words for vomit? What is the suffix of the word claustrophobia? How long does high fever last with the flu? What are heart attacks associated with? Can toothpaste get rid of pimples? What is a bladder boat? How do you know if someone has an STD? Where does the pus go when a pimple is left alone? Can you get hpv from sharing a cigarette or drink? What does it mean when you only feel like you are going to throw up when i lay down? What is the Sticky substance found on teeth? What fruits are not good for gout? Which diseases can be prevented by being physically fit? What causes animal repetitive depression? Why is it important about textual aids? Does snorting coke help you last longer in bed? What does the REM part of REM sleep mean? What nutrients does your body need if your muscles are feeling weak?