Recent studies have shown that consuming more than 300 milligrams of caffeine a day will increase ones chances of a miscarriage, and based on studies on animals, high levels of caffeine may also cause birth defects, preterm delivery, reduced fertility and low birth weight.
Fragile X syndrome is an inherited genetic disease that causes intellectual and developmental disabilities. Inherited means that the disease is passed down from parents to children through their genes. Fragile X syndrome is the most common hereditary source of mental disability in boys. People with fragile X syndrome usually experience a range of developmental and learning problems. The disease is a life-long condition.
Triple-X Syndrome (Trisomy X) A rare chromosomal genetic syndrome with one or more extra X chromosomes, leading to XXX (or more rarely XXXX or XXXXX), instead of the usual XX. These people are females and can be unaffected, or may suffer from problems such as infertility and reduced mental acuity.