National Geographic - USA (2020-01)
HEALTH AND SAFETY Drug effects differ Some of today’s most com- monly used drugs produce different effects, and side effects, i ...
INFERTILITY Factors affecting male fertility If a woman is unable to get pregnant after one year of trying, she and her partner ...
a contraceptive method, the Guttmacher Institute reports. And of women in that age range, the abortion rate in 2017 was 13.5 abo ...
84 NATIONAL GEOGRAPHIC ...
children at older ages. Even so, the CDC estimates that about 60 percent of maternal deaths are preventable. And between white w ...
THE MICROBIOME MENAGERIE Trillions of microbes call our body home. Now we’re learning they’re crucial for our health. BY ROBIN M ...
Escherichia coli, the yellow rods clustered on a purple substrate, can cause food poison- ing, but most strains are not only har ...
The gut microbiome flaunts its diversity in this sample of human feces, which includes an enormous bacterium that’s about 50 tim ...
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Streptococcus pneu- moniae, shown dividing into daughter cells, can cause serious illnesses, such as meningitis and pneumonia, b ...
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Moist lips are rich in microbes. A woman pressed her mouth on a petri dish to let her microbiome grow, and grow it did. Days lat ...
of Luxembourg published a study of 13 babies born vaginally and 18 by C-section. He and his colleagues analyzed the microbes in ...
stool than those who didn’t develop diabetes. One of the scientists involved in the study, W. Ian Lipkin of the Columbia Univers ...
Cultured from damp feet, these bacteria, attached here to a fiber, thrive in sweat, which is odorless. But when sweat collects, ...
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Scporindal^ GUT INSTINCTS Our bodies host trillions of microbes, a collection of bacteria, fungi, and protozoa that starts devel ...
Crypt Gut lining Enteroen docrine^ cells N(teou vraognuss^ nerve) Dendritic cells Bloods tream Dendritic cells Neuron Bloodstrea ...
Veillonella from one runner’s stool and infused the bacterium into 16 mice with normal micro- biomes that had been screened for ...
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