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Fluorescent image of red cells with high and low levels of parasitic infection in green
Parasite Drove Natural Selection in Amazonian Indigenous Groups
The findings could help researchers understand why some individuals are more vulnerable to deadly Chagas disease.
Parasite Drove Natural Selection in Amazonian Indigenous Groups
Parasite Drove Natural Selection in Amazonian Indigenous Groups

The findings could help researchers understand why some individuals are more vulnerable to deadly Chagas disease.

The findings could help researchers understand why some individuals are more vulnerable to deadly Chagas disease.

disease & medicine, human evolution

illustration of virus particles and DNA strands
Ancient Viral DNA Plays a Role in Human Disease and Development
Aidan Burn, The Conversation | Oct 19, 2022 | 4 min read
Viral remnants make up 8 percent of the human genome, and a new study finds that these sequences are still active in healthy people.
Contributors
The Scientist | Apr 1, 2020 | 4 min read
Meet some of the people featured in the April 2020 issue of The Scientist.
an illustration of the inside of a blood vessel with a buildup of plaque
Gene Mutation Could Explain Humans’ High Risk of Heart Attack
Shawna Williams | Jul 23, 2019 | 2 min read
Mutating a gene called CMAH in mice so it’s nonfunctional, as in humans, upped the animals’ chances of developing heart disease, a study finds.
notebook
A Keen Sense of Smell Appears to Go Hand in Hand with Spatial Memory
Shawna Williams | Feb 1, 2019 | 3 min read
Authors of a small study say the two abilities likely evolved in tandem.
Taller People More Prone to Cancer
Abby Olena, PhD | Oct 24, 2018 | 4 min read
The increased risk is slight, but aligns with a longstanding hypothesis that having more cells in one’s body leads to more chances for those cells to become cancerous.
Amazonians Offer Clues to Human Childhood Development
Shawna Williams | Jul 1, 2018 | 4 min read
A study of Shuar children in Ecuador provides a window into how the human body responds to infection in the sorts of conditions that shaped our species’ evolution.
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