Mono and genetics

Ever wonder why some people get mono and others don’t?  Almost 95% of adults carry antibodies to the Epstein Barr virus that causes mono, but less than 30% of people are estimated to get mono.  [CDC.gov]   Turns out that there may be a genetic susceptibility…

Ear wax and body odor – it’s genetic

The ABC/C11 gene determines both the type of earwax a person has and their armpit odor. A change in a single base in the code for this gene can cause the gene not to function. People with a functioning ABC/C11 gene have wet earwax and…

Genetics of Celiac Disease

One of my main reasons for doing 23andMe testing was to figure out if I was genetically susceptible to celiac disease.  I went gluten-free about five years ago and have felt so much better that I didn’t want to go back to eating gluten…

Hemochromatosis – Genes involved

Hemochromatosis is a genetic disorder in which the body stores too much iron.  Normally, a person absorbs about 8 – 10% of iron that they eat, but a person with hemochromatosis can absorb up to 4 times that amount. In classic hemochromatosis, men may…

Alzheimer’s and APOE genotype

One very important gene that has been very well researched for Alzheimer’s disease is the APOE gene. This gene is involved in carrying cholesterol and other fats in your bloodstream, and a common variant of the gene is linked to a higher risk of…

Do you like broccoli? Bitter tastes and your genes

My husband has always hated raw broccoli, Brussel sprouts, and coffee.  Turns out he is not just being picky, he can actually taste a bitter flavor that I can’t detect.  It really is all in the genes! It was discovered in the 1930’s that…

Living to 100? Longevity and Genetics

There are several genes known as “longevity” genes that increase your odds of becoming a centenarian. Specific variants of these genes are associated with an increased likelihood of living to be 100 or more. And more importantly, these genetic variants are linked to longer…