True or False...
1. Foods, such as yogurt and cheese, are made with the help of archaea
2. When bacteria develop resistance, antibiotics become more effective.

Bacteria in our gut help to protect us by crowding out some of their dangerous relatives that can cause disease. Other good bacteria have been used in medicine to create antibiotics, and others still are used in food production to make fermented foods (think sauerkraut, yogurt, kimchi and kombucha.)