The older that such fish become, the more mercury they may have absorbed. Anything that eats these fish within the food chain also consumes the higher level of mercury that the fish have accumulated. This process explains why predatory fish such as swordfish and sharks or birds like osprey and eagles have higher
The goal, then, when it comes to having a boy is to increase the likelihood that a Y chromosome sperm reaches the egg first. Many medical researchers believe that Y chromosome sperm are faster swimmers, but that X chromosome sperm have more endurance.
For some reason, boy sperm prefer alkaline environments, which means environments that are less acidic. So, to increase alkalinity, experts recommend eating more red meat, salty foods and soda. So, go ahead and have a big meal, girl! Itâs all for the sake of baby!