Based on the provided text, here are the assessments of the sentences as True (T) or False (F):
30% of people have some kind of phobia.
T (The text states that at least a quarter of the population has phobias.)Doctors have created a new drug to cure phobias.
F (The text mentions a drug that can help overcome phobias, not that it has been created specifically to cure them.)In exposure therapy, people learn to relax when they are exposed to something they are afraid of.
T (The text states that exposure therapy is combined with relaxation techniques.)Exposure therapy is always successful.
F (The text mentions that exposure therapy does not work for everybody.)The drug affects the way people learn and remember things.
T (The text states that the drug causes changes to a part of the brain used in learning and memory.)The study showed that the drug helped people to lose their fear.
T (The study found that those given the pill felt much less afraid than those who took a placebo.)