Pollution
Pollution wether it’s chemical or from trash can lead to many defects in the body. Pollution can cause harm to the lungs specifically by getting air trapped in the alveoli
Family history is the top risk factor for a person to get an Alzheimer's disease. This is because of heredity that a person cannot escape from. So it is important that a person must know the family history whether he or she can be a dominant carrier of this disease or not.
The correct answer among the choices given is the last option. Hallucinogens are naturally-occurring or synthetically-produced drugs that can cause hallucinations. Common types of this drug are psychedelics, deliriants and dissociatives. LSD is one of the most powerful mood-changing chemical available. It causes hallucinations, sensations and images that may seem real but actually not.