Autism spectrum disorder, or better known as ASD, is a neurological and developmental disorder. It affects how a person interacts and acts with other people; how it communicates and learn. There are a range of signs/symptoms for this type of condition, but the most commons are: difficulty with social interaction and communication; such as, making little eye contact, having difficulties following a normal conversation, having trouble understanding the point of view of another person, etc. They also show repetitive behaviors and patterns, such as, repeating words or phrases, having an intense conversation of a certain topic, etc.
FITT stands for frequency, intensity, type, and time. This principle is used to figure out, in physical education, how much exercise should be needed for a person.
The answer is B. celiac disease. Celiac disease is an immune disorder. When someone with the disease eats any food containing gluten, the immune system creates antibodies and gets rid of the gluten but at the same time attacks the small intestine.
