PASSAGE 3 "Women who have been coloring their hair for 24 years or more have a higher risk of developing a cancer called non-Hodgkin lymphoma, researchers reported. "They said their study of 1,300 women could help explain a mysterious rise in the number of cases of the cancer that affects the lymphatic system. "Writing in the American Journal of Epidemiology, they said women who dyed their hair starting before 1980 were one-third more likely to develop non- Hodgkin lymphoma, or NHL, and those who used the darkest dyes for more than 25 years were twice as likely to develop the cancer. "Women who used darker permanent hair coloring products for more than 25 years showed the highest increased risk,' Tongzhang Zheng, associate profes- sor of epidemiology and environmental health at Yale School of Medicine, said in a statement. "Cancer experts note that a person's absolute risk of developing lymphoma is very low, so doubling that risk still means a woman who dyes her hair is very unlikely to develop lymphoma."5

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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What is the phenomenon being explained? 2. What theory is suggested as a possible explanation for the phenomenon? 3. Is the theory plausible? If not, why not? 4. Is there a plausible theory that the writer has overlooked? If so, what is it?
PASSAGE 3
"Women who have been coloring their hair for 24 years or more have a higher
risk of developing a cancer called non-Hodgkin lymphoma, researchers reported.
"They said their study of 1,300 women could help explain a mysterious rise in
the number of cases of the cancer that affects the lymphatic system.
"Writing in the American Journal of Epidemiology, they said women who
dyed their hair starting before 1980 were one-third more likely to develop non-
Hodgkin lymphoma, or NHL, and those who used the darkest dyes for more
than 25 years were twice as likely to develop the cancer.
"Women who used darker permanent hair coloring products for more than
25 years showed the highest increased risk,' Tongzhang Zheng, associate profes-
sor of epidemiology and environmental health at Yale School of Medicine, said
in a statement.
"Cancer experts note that a person's absolute risk of developing lymphoma
is very low, so doubling that risk still means a woman who dyes her hair is very
unlikely to develop lymphoma."5
Transcribed Image Text:PASSAGE 3 "Women who have been coloring their hair for 24 years or more have a higher risk of developing a cancer called non-Hodgkin lymphoma, researchers reported. "They said their study of 1,300 women could help explain a mysterious rise in the number of cases of the cancer that affects the lymphatic system. "Writing in the American Journal of Epidemiology, they said women who dyed their hair starting before 1980 were one-third more likely to develop non- Hodgkin lymphoma, or NHL, and those who used the darkest dyes for more than 25 years were twice as likely to develop the cancer. "Women who used darker permanent hair coloring products for more than 25 years showed the highest increased risk,' Tongzhang Zheng, associate profes- sor of epidemiology and environmental health at Yale School of Medicine, said in a statement. "Cancer experts note that a person's absolute risk of developing lymphoma is very low, so doubling that risk still means a woman who dyes her hair is very unlikely to develop lymphoma."5
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