Women eat more when they are with a man, somewhat less when they are with another woman, and still less when they eat alone. You're not alone. People eat more when they are with family and friends, but coworkers and mere acquaintances make them lose their appetite. Here's the best news of all for guilty eaters and parents of tubbies. Twin studies show that genes, not upbringing, are the main influence on intake.
Genes determine how responsive people are to the hunger they feel.
The body's desire to keep its weight by making appetite adjustments was a less than impressive intake factor. Without the intervention of willpower, however, we may eat slightly less two to three days later. Then it's back to normal. For all you skeptics, most of de Castro's findings are based on studies of 700 subjects. Perhaps it's tough to swallow, but chances are the findings apply to you, too.