Tagged with mitochondria

Mom, dad and baby make…4?

Mom, dad and baby make…4?

You get half your DNA from your mom and half from your dad, right? Wrong. You may well have stored in the back of your mind, dusty from disuse, a word from some long-ago biology class: “mitochondria.”  You can think of mitochondria as tiny factories in your cells that pump out the energy you need … Continue reading

Glucose ramps up sperm speed

Glucose ramps up sperm speed

The sperm of mice and men are streamlined cells, designed to move fast and deliver a payload. To maintain their Phelps-like speed through the long haul to the egg, sperm cells need energy. But even though sperm have all the equipment they need to turn fuel into energy, they don’t carry any fuel with them. … Continue reading

What mountain climbing does to your sperm

What mountain climbing does to your sperm

Thinking about taking a romantic excursion up in the mountains? If you’re trying to get pregnant, this may not be the best strategy. A study published in the Journal of Assisted Reproduction and Genetics has linked being at high altitudes with low sperm DNA quality.  Why did they choose focus on high altitudes? Previous research had shown that … Continue reading