The key to better health is learning the difference between healthy and unhealthy nutrients. The choices we make greatly affect our health. Making a few simple healthy and nutritious changes in our dietary choices can have a profound and positive impact on our health, well-being, energy levels and life span. For instance . . .

• Healthy proteins provide the amino acids our bodies require to build and repair lean body mass (like muscles, skin, hair and nails), and are low in saturated fat, cholesterol and chemicals. Good sources include wild salmon, beans, legumes, soy products (tofu, tempeh, TVP), seeds (sunflower, pumpkin), nuts (walnuts, almonds, peanuts) and nut-butters (peanut, almond, cashew, etc.).

• Unhealthy proteins are loaded with saturated fat, cholesterol, hormones, or antibiotics (like beef, lamb, beacon and sausage). While they give your body the needed amino acids, they also clog arteries and compromise your immune system.

• Healthy fats are unsaturated fats (mono and poly), omega 3 and omega 6 fatty acids. Good sources of these fats include extra virgin olive oil, canola oil, ground flax seeds and walnuts. They help your body absorb fat-soluble antioxidant micronutrients like vitamins A, E, D, and K, and lycopene.

• Unhealthy fats are saturated fats and trans fatty acids (trans fats), like butter and margarine. These fats contribute to heart disease, stroke, high cholesterol and triglyceride levels, hypertension and obesity.

• Healthy carbohydrates are high in fiber and are considered complex carbohydrates. Good sources include rolled oats, brown rice, whole wheat, broccoli, squash, green leafy vegetables, sweet potatoes, beans and whole fruit. These help lower cholesterol, aide digestion, regulate blood sugar and insulin levels, and reduce caloric intake.

• Unhealthy carbohydrates are high in sugar and are called simple carbohydrates, like candy, white bread, sodas, ice cream, cake and cookies. These spike blood sugar and insulin levels, and increase caloric intake (they are considered empty calories).

Eating nutrient-dense foods that are high in antioxidants, photochemical and fiber help the body function optimally, promote overall well-being and improve digestion. These nutrients also help fight and prevent heart disease, cancer and diabetes, strengthens the immune system, slows the aging process, increases energy and improves cognitive performance.

Additionally, as we age our appetite lessens, making it even more critical to choose foods wisely. When every bit counts, picking foods with the highest nutritional profile is more important than ever.

An easy way to make your nutritional choices is to look for foods that are bright in color, for they usually contain more beneficial vitamins, minerals and photochemical. For example, red and pink grapefruit have the heart-healthy cancer-fighting antioxidant photochemical called lycopene while white grapefruit does not. Here are seven more simple ways to start eating healthier.

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