Answer: The gateway drug effect (alternatively, stepping-stone theory, escalation hypothesis, or progression hypothesis) is a comprehensive catchphrase for the often observed effect that the use of a psychoactive substance is coupled to an increased probability of the use of further substances.
Explanation:
<span>There are many types of healthcare offered to patients. Included in these types are hospitals that cover both emergency and elective treatment. Next there are rehabilitation centers to help patients recover from surgical such as hip replacements, and non-surgical procedures, such as strokes. Clinics offer routine exams. Psychiatric centers treat patients suffering from mental illness. Dental offices care for the teeth, and ophthalmologists examine and treat conditions pertaining to the eye.</span>
There are many ways that foods can be grouped. The five main food groups are carbohydrates, protein, milk/dairy products, fruits/vegetables, and fats/sugars.
