
17. Milkshakes have high calories
This might be a treat from your childhood, but now that you’ve reached 40, it’s time to skip ordering one of these when you’re dining out. Restaurant milkshakes are often as caloric as an entire entrée, as they are no longer just made up of milk and ice cream.

A chocolate milkshake may be bliss for your taste buds, but it’s not so good for your blood vessels. A small new study suggests that consuming just a single, high-fat meal or food item, like a milkshake, may lead to unhealthy changes in your blood vessels and red blood cells.