Answer:
In turn, several cholinergic drugs have been developed for clinical as well as for cosmetic purposes. For example, some cholinergic drugs are used to treat severe muscle spasms, others to slow down the progression of Alzheimer’s disease and others to reduce wrinkles.
Explanation:
Answer:
Farming on a fragile ecosystem.
Explanation:
These infections are called
"opportunistic infections" because
they take advantage of weak
immune systems.