The basic food groups are:

Here are 20 foods that are generally unhealthy — although most people can eat them in moderation on special occasions without any permanent damage to their health.

1. Sugary drinks.
2. Most pizzas.
3. White bread.
4. Most fruit juices.
5. Sweetened breakfast cereals.
6. Fried, grilled, or broiled food.
7. Pastries, cookies, and cakes.

Eat a wide variety of foods from the five food groups :

• plenty of colourful vegetables, legumes/beans.
• fruit.
• grain (cereal) foods – mostly wholegrain and high fibre varieties.
• lean meats and poultry, fish, eggs, tofu, nuts and seeds.
• milk, yoghurt, cheese or their alternatives, mostly reduced fat.
• Drink plenty of water.

• breads, cereals, rice, pasta, noodles and other grains.
• vegetables and legumes.
• fruit.
• milk, yoghurt, cheese and/or alternatives.
• lean meat, fish, poultry, eggs, nuts and legumes.

Give your brain a daily workout to sharpen your focus and become more intelligent.

1. Follow ideas through to various outcomes.
2. Add 10-20 minutes of aerobic exercise to your day.
3. Engage in stimulating conversation.
4. Take online courses.
5. Give your brain a break.
6. Practice a hobby.
7. Look, Listen, Learn.

13 Brain Exercises to Help Keep You Mentally Sharp

1. Try puzzles.
2. Play cards.
3. Build vocabulary.
4. Dance.
5. Use your senses.
6. Learn a new skill.
7. Teach a skill.
8. Listen to music.

Brain fog can be a symptom of a nutrient deficiency, sleep disorder, bacterial overgrowth from overconsumption of sugar, depression, or even a thyroid condition. Other common brain fog causes include eating too much and too often, inactivity, not getting enough sleep, chronic stress, and a poor diet.