Certainly, we don't want to live a long life - if it's miserable or unhealthy life. We rather want to live a long but  healthy and happy life. So if you want to live a healthy, happy and long life eat plenty of these foods.

1. Spinach

Believe it or not, this vegetable is one of the healthiest in the world. This vegetable that is native to central and southwestern Asia has a strong affinity with Popeye and he becomes physically stronger after consuming it. This is due to the iron content.

• Spinach is known as a rich source of iron and calcium.
• Spinach contain a relatively high level of iron, compared to other vegetable and meat sources
• Spinach also has high calcium content.
• The calcium in spinach is the least bio-available of calcium sources
• It is a rich source of several vital antioxidants
• Rubiscolins have also been found in spinach.
• It is a source of folic acid (Vitamin B9), and this vitamin was first purified from spinach
• Spinach is an excellent source of vitamin K, vitamin A, lutein, manganese, folate, magnesium, iron, vitamin C, vitamin B2, calcium, potassium, and vitamin B6.
• It is a very good source of dietary fiber, copper, protein, phosphorus, zinc and vitamin E.
• A 180 gram serving of boiled spinach contains 6.43 mg of iron, whereas one 6 oz. (170 gram) ground hamburger patty contains at most 4.42 mg.
• In addition, it is a good source of omega-3 fatty acids, niacin and selenium

2. Broccoli

Broccoli is a plant of the cabbage family that contains many nutrients and vitamins that is why it is regarded as one of the healthiest foods. China and India is the 2 top producers of broccoli and cauliflower.

• Broccoli is high in vitamin C and soluble fiber
• It contains multiple nutrients with potent anti-cancer properties including diindolylmethane and selenium.
• A single serving provides more than 30 mg of vitamin C and a half-cup provides 52 mg of Vitamin C.
• The 3, 3' Diindolylmetane found in broccoli is a potent modulator of the innate immune response system with anti-viral, anti-bacterial and anti-cancer activity.
• Broccoli also contains the compound glucorapanin, which can be processed into an anticancer compound sulforaphane.
• A high intake of broccoli has been found to reduce the risk of aggressive prostate cancer. Broccoli leaf is also edible and contains far more beta carotene than the florets.
• Steaming, microwaving and stir-frying are the best preparation methods.
• Broccoli is also high in vitamin K

3. Cauliflower

Cauliflower is very nutritious, and may be