The most common neuromuscular disorders leading to dysphagia are myasthenia gravis, amyotrophic lateral sclerosis, Guillain–Barre syndrome, and their variants. All these diseases may easily affect swallowing muscles.Macronutrients and micronutrients are two types of dietary nutrients required by living organisms, especially humans. The macronutrients are the energy-producing nutrients — proteins, carbohydrates, and fats.Micronutrients are vitamins and minerals, while macronutrients are carbohydrates and fat.Both macronutrient and micronutrient deficiencies are referred to as malnutrition. Problems with macronutrients and micronutrients often coexist in humans, making it difficult to distinguish between the two.