A new study has found that high levels of lead mercury and other such heavy metals in the blood can increase bad cholesterol. Later on this can put one at the risk of cardiovascular diseases. According to the Asian Age report the researchers from the Jacobi Medical Center in the US reviewed information from a database which includes cholesterol levels and blood levels of heavy metals among US adults. And the researchers found a notable difference between those with the least blood levels of heavy metal and those with the most. As lead levels increased the bad cholesterol or lower