Is this correct? this is health!! answer plz:))

Emotional signs of stress include aches and nausea

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.

Is tea good for you? if so what type of tea is good for you? and how much should i drink before it is a threat to my health?