Which factor most influences the physical developments of puberty?

Which factor most influences the physical developments of puberty?

• A. An identity crisis
• B. Falling in love
• C. Environmental factors
• D. Psychological factors

Answer: (C)

Puberty’s physical changes are driven by hormonal signals, but the external environment shapes when and how strongly those changes show up. Environmental factors like nutrition, overall health, sleep, stress, and exposure to certain chemicals can speed up, slow down, or alter the timing of growth spurts and the development of secondary sexual characteristics. When a young person has good nutrition and health, puberty tends to follow a typical timetable; poor nutrition or chronic illness can delay it. The other options describe mental or emotional experiences, which affect how a teen feels about puberty rather than the body’s hormonal changes driving the physical developments.

Puberty’s physical changes are driven by hormonal signals, but the external environment shapes when and how strongly those changes show up. Environmental factors like nutrition, overall health, sleep, stress, and exposure to certain chemicals can speed up, slow down, or alter the timing of growth spurts and the development of secondary sexual characteristics. When a young person has good nutrition and health, puberty tends to follow a typical timetable; poor nutrition or chronic illness can delay it. The other options describe mental or emotional experiences, which affect how a teen feels about puberty rather than the body’s hormonal changes driving the physical developments.