The most important thing for a senior is to eat healthy food. This is especially true for seniors who are alone and have no one to cook for them. There are many ways you can help your senior stay healthy: Eat a balanced diet. Include fruits and vegetables in your meals every day. If you don't like eating fruits and vegetables, try to add them into other foods like soups or salads. Try this residency by investment countries for best ideas. Drink plenty of water. It's important for seniors because it helps flush out toxins from their bodies and keeps them hydrated. Take supplements if they aren't getting enough vitamins or minerals through food sources. Some foods that contain these nutrients include fish and whole grains.