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 the most common inherited cause of intellectual disability and one of the most common genetic disorders associated with autism. The signs and symptoms of fragile X syndrome can vary between individuals, and symptoms in males are usually more significant than in females. The syndrome occurs in approximately 1 in 3,600 males and 1 in 4,000-6,000 females.
Cardiac syndrome X is angina (chest pain) with signs associated with decreased blood flow to heart tissue but with normal coronary arteries.Cardiac syndrome X is sometimes referred to as microvascular angina when there are findings of microvascular dysfunction.Some studies have found increased risk of other vasospastic disorders in cardiac syndrome X patients, such as migraine and Raynaud's phenomenon.ardiac syndrome X is angina (chest pain) with signs associated with decreased blood flow to heart tissue but with normal coronary arteries.