Negative attitudes and feelings of helplessness and hopelessness can create chronic stress, which upsets the body's hormone balance, depletes the brain chemicals required for happiness, and damages the immune system. Chronic stress can actually decrease our lifespan.
I think the answer you are looking for is tobacco
Answer: I'll give you quite a few.
Explanation:
Convenience sampling: (strengths) least expensive, least time consuming too. Most convenient.
(Weaknesses) selection bias. Not recommend by casual research.
Judgment sampling: (strengths) low cost, not time wasting. Convenient, ideal for exploratory research.
(Weaknesses) does not allow generalized subjective.
Snowball sampling: (strengths) can estimate rare characteristics.
(Weaknesses) time consuming.
Wdym my cool homeslice dood>??
As a face to love being serous?