Eat: Lean cuts of beef, pork, and poultry and game animals, eggs, fish fruit, not starchy vegetables, nuts and seeds and olive, flaxseed or walnut oil.

Avoid: Processed foods, dairy, grains, legumes, starchy vegetables, sugar, artificial sugars and fruit juices.

Breakfast: Onion and spinach omelette with liver pâté
Lunch: Tuna wrapped in lettuce with almonds
Snack: Hard-boiled eggs
Dinner: Beef bourguignon
Dessert: Ice cream made from coconut milk

Pros: 

• Nutritious, Easy to Follow and It Involves Exercise.
• The diet helps with managing autoimmune diseases, although evidence is limited and anecdotal.

Cons: 

• Expensive, Possibly Boring, and Limited Evidence of healthy benefits.
• An unlimited amount of red meat may be detrimental to your heart health.
• Grains are excluded from the diet, even though whole grains have been linked with better cholesterol levels, reduced risk of stroke, obesity, and type 2 diabetes.

• You could lose weight following a Paleolithic diet.
• Get calcium and other nutrients you’re missing by not having dairy products and certain grains.
• Health benefits are likely to result from cutting out processed food and sugar and replacing them with fruits, vegetables, and healthy fats.
• Ease the transition to the Paleo diet with small incremental changes.