Do people who drink tend to underestimate their ability to tolerate alcohol?

People who have been drinking heavily experience reduced capacities of every kind. People who claim that they have no problem with alcohol because they have an exceptionally high tolerance, the ability to drink large amounts and show little or no effects from it, are in fact announcing that they have one of the standard indicators of physiological dependence on alcohol. Alcohol is one of the worst substances when it comes to addiction and severity of overdoses.