Acidic fruits such as pineapple, oranges or strawberries, when mixed with milk, might upset the stomach. The acidic nature of the fruits may cause milk to curdle, which can result in discomfort and bloating.
Combining fish with dairy products is discouraged in Ayurveda due to the conflicting properties of these foods. Dairy is cooling and fish is hot, and consuming both at once might throw off the body's equilibrium. Instead, you should eat fish with veggies or grains.
In Ayurveda, it is considered hazardous to heat honey. When honey is added to hot liquids, such as tea or coffee, it can turn toxic and cause the body to develop ama (toxins), which can impair digestion and cause other health issues.
Both beans and cheese are heavy and hard to digest. Eating them together may put too much strain on the digestive tract, leading to bloating, gas and indigestion.
Melons, including watermelons, cantaloupes and muskmelons, should not be mixed with any other foods. Melons digest fast and can result in fermentation and gas when consumed with slower-digesting meals. Thus, combining them with other foods can upset your digestive system.