“Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”
— Albert Einstein
“He who fears he will suffer, already suffers because he fears.”
— Michel De Montaigne
“We think sometimes that poverty is only being hungry, naked and homeless. The poverty of being unwanted, unloved and uncared for is the greatest poverty.”
— Mother Theresa
“In seeking happiness for others, you will find it in yourself.”
“Yesterday is history, tomorrow is a mystery, today is a gift of God, which is why we call it the present.”
— Bill Keane
“Most people do not listen with the intent to understand; they listen with the intent to reply.”
— Stephen Covey
The way to get started is to quit talking and begin doing.
-Walt Disney
Tell me and I forget. Teach me and I remember. Involve me and I learn.
-Benjamin Franklin


A genetic variant that raises one’s risk of developing Alzheimer’s disease may also make people more susceptible to COVID-19. 

People with two copies of a version of the APOE gene called APOE4 are 14 times as likely to develop Alzheimer’s disease as people with two copies of the APOE3 version of the gene (SN: 9/22/17). Those people were also more than twice as likely to test positive for the coronavirus than people with two copies of the APOE3 version, researchers report May 26 in the Journals of Gerontology: Series A. The results come from a study of more than 600 people in England diagnosed with COVID-19 from March 16 to April 26.

Two previous studies showed that people with dementia were more likely to have severe cases or to die of COVID-19. This new study found that even people with no signs of dementia or other diseases associated with having APOE4 were still more susceptible to COVID-19 than people with the APOE3 version. 

Among nearly 400,000 participants in the large genetic database called the UK Biobank, only 3 percent have two copies of APOE4, while 69 percent have two copies of APOE3. The remainder have one of each version. 

But the APOE4 version was more common than expected among people diagnosed with COVID-19, the study found. Of 622 people who tested positive for the coronavirus, 37 had two copies of APOE4. On a population scale, that means about 410 of every 100,000 people with two copies of that version of the gene would test positive, the researchers calculate. That compares with 179 of every 100,000 people with two copies of APOE3 testing positive.

APOE is involved in handling cholesterol in the body and the protein also plays a role in some immune system functions. Exactly how APOE4 may make people more vulnerable to the coronavirus isn’t understood yet. 

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