This disorder is the only anxiety disorder that is directly linked to a specific cause. It results from a traumatic or horrifying experience: A. Panic attack
B. Post-traumatic stress disorder
C. Phobia
D. OCD

B

Explanation: i hope i helped, happy holidays <3

Dang i was thinking  Alzheimer's disease. But it's actually B. Post-traumatic stress disorder PTSD

Explanation:

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.