MINNEAPOLIS (WCCO) — Grocery shopping can be a pain, especially when the store is crowded with customers.

But what about grocery shopping irks so many? A new study released by Treadmill Reviews attempted to find out.

The new study reveals the most annoying grocery store habits: People leaving perishable or other items in the wrong aisle tops the list, followed by tasting food before you buy it.

Also on the list: blocking aisles with the cart and leaving the checkout line to get something else.

Treadmill Reviews polled over 1,000 people for the study.

Click here for the full results.