Because of their high rate of mutation. They also can be hard to track because they infuse their DNA into your body cell DNA and can lay dormant and undetected for years.
A phytochemical is a naturally occurring substance found in plant foods that may help prevent and treat chronic illnesses or diseases like cancer and heart disease. Some of these give plants their pretty colors, like the blue in blue berries and the red in raspberries and other phytochemicals give plants their distinctive aroma. They offer many benefits to human health when consumed such as offering protection to many chronic diseases such as diabetes, cancer, heart diseases among others.
I believe its when you <span>silencing one of the two X chromosomes in female cells...
Hope I helped
</span>
Sunspots are temporary phenomena on the Sun's photosphere that appear as spots darker than the surrounding areas. They are regions of reduced surface temperature caused by concentrations of magnetic field flux that inhibit convection. Sunspots usually appear in pairs of opposite magnetic polarity.
