1. Rough skin
 
Magnesium moisturizes the skin. Magnesium has the effect to pull water into the skin, so if you take enough magnesium, your skin gets smoother.
 
2. Obesity
 
According to a research, people who take sufficient magnesium have 31 % lower risk of metabolic syndrome, compared to people who don’t take enough magnesium.
 
With every 100 mg of magnesium taken a day, the risk of metabolic syndrome decreases by 17 %.
 
Magnesium increases metabolism in the cell, so it is a nutrient that is expected to prevent obesity.
 
3. High blood sugar
 
Magnesium has the effect to strengthen insulin that attracts sugar accumulated in the blood vessel into the cells.
 
According to a research in 2010, it has turned out that people who take sufficient magnesium have 47 % less risk of diabetes development than people who take insufficient magnesium.
 
Food containing a lot of magnesium
 
Fruit: Banana (32 mg of magnesium per piece)
 
It is good to eat banana with yogurt because bifidobacterial and calcium contained in yogurt increase the absorption ratio of magnesium. Adding soy powder (Kinako) increases the absorption ratio more because of oligosaccharide contained in soy powder.
 
Vegetable: Spinach (40 mg of magnesium per 100 g)
 
Dark green vegetables are rich in magnesium such as spinach, broccoli, okra.
 
When you eat eggs with spinach, the absorption ration of magnesium increases because of vitamin D in egg yolk.
 
Sea Vegetable: Sea weed (41 mg of magnesium per 10 g)
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Canker sores
 
In summer, canker sores easily appear because vitamins and minerals are lost due to sweating. But canker sores disappear within 1-2 weeks naturally so that there is not much chance to go to the doctor when you have a cancer sore.
 
However, canker sores could be a sign of an initial symptom of oral cancer.
 
Oral canker can appear in the back of the mouth, on the tongue or other places, and makes a tumor that is similar to a canker sore as an initial symptom.
 
How to distinguish oral cancer from canker sores
 
1. If canker sores don’t disappear more than 2 weeks, it could be a sign of oral cancer.
 
2.  Canker sores that have no pain could be a sign of oral cancer.
 
Any types of cancers don’t have pain at the initial stage. That is why it is difficult to find cancer at the early stage.
 
It is important to check the inside of your mouth often when you brush your teeth and if you feel any discomfort, it is better to consult a doctor.

​Edema
 
In summer, we drink a lot of water without sweating in an airconditioned room so that excess water is easily accumulated in the body, but we have to be careful about edema that could be a sign of serious diseases.
 
Edema is the condition that when you press the skin with your finger, the water where is pressed is lost and a dimple is retained for about 10 seconds, while fat is the condition that the pressed area returns very quickly.
 
Edema caused by normal excess water can be improved by sweating a lot by taking a relaxing bath or exercises.
 
But if edema is not improved by sweating, there is a possibility of kidney diseases.
 
When you have kidney diseases, water can be discharged from your body and is accumulated in your body, resulting in edema of the whole body.
 
Dangerous edema
 
Edema in the leg in the morning (Fig. 1) and edema in the face in the evening (Fig. 2) are dangerous.
 
Edema in the leg in the evening is okay because water tends to be accumulate in the leg that is locate in the lower part of the body during the daytime.
 
But if you have edema in the leg in the morning, it could be caused by kidney diseases because the leg is not located in the lower part of the body while sleeping. Excessive water retention could be caused by some problems in the kidney.
 
On the contrary, edema in the face in the evening means that there is a possibility that water could be discharged sufficiently from the kidney as urine.
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​Wrinkles
 
One of the causes of wrinkles is UV. The stratum corneum gets thicker to block UV. The thickened stratum corneum gets dry and becomes wrinkles.
 
But if you avoid UV too much,  there is a possibility that the bone could be weakened. Our body makes the bone from vitamin D and calcium. Vitamin D is made by soaking in the sun. That is why if you avoid the sun light, you can’t make the bone in your body.
 
You can prevent wrinkles and spots and also protect the bone by absorbing UV from the palms of your hands because the palms don’t have melanin pigments that block the UV so that vitamin D can be made efficiently in a short time. Sufficient UV can be absorbed by soaking your palms in the sun for 15 minutes a day.
 
Wrinkles that could be a sign of dangerous diseases
 
Wrinkles made in the ear lobe could be a sign of heart diseases (Fig. 1).
 
The ear lobe doesn’t have many blood vessels so that the ear lobe is easily affected by hardening of the artery (arteriosclerosis) and wrinkles are made by poor blood circulation due to hardening of the artery. The ear lobe is one of rare spots in our body where we can check the condition of our blood vessel.
 
It is said that wrinkles on the forehead are also made by hardening of the artery, but they are made by UV as well, so  the ear lobe that is not easily affected by UV is more useful to check the condition of the blood vessel.
 
According to a survey conducted on 108 people whose ages were 54-74 year old for 8 years in Chicago University, people who had wrinkles in the ear lobe tripled the risk of heart diseases.
 
Eating blue back fishes is recommended to prevent hardening of the artery because EPA contained in blue back fishes improves the blood flow and helps prevent hardening of the artery.

Reference articles:
Signs Appearing When You Get Sick: Lung/Hardening of the Arteries
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Stiff neck and shoulders
 
In summer, we tend to stay in an air-conditioned room and keep cooling our body. That stiffens the blood vessel and the muscle, causing soreness around the neck and shoulders.
 
But that can be a sign of heart diseases.
 
The organs don’t have a lot of nerves not to affect our daily life. For example, if the heart have a lot of nerves, we have to react to every heartbeat.
 
Instead, the spine where is the same level as the organ detects pain or other symptoms.
 
The level of the heart at the time of fetus is the same as the shoulder, but it lowers as we grow, so at the time of pain in the heart, we feel the pain around the shoulder (Fig. 1).
 
We have to know that at the beginning stage of heart attack, the shoulder gets painful, especially the left shoulder close to the heart often gets painful (Fig. 2).
 
How to distinguish heart diseases from a shoulder joint problem
 
When you move your shoulder, if the pain gets worse, it is more likely to be caused by stiff neck and shoulders, and if the pain doesn’t change, it can be caused by heart diseases.

I introduced a case of a child’s stomachache before. This is a case of an adult’s stomachache.
 
A male in his 50s visited my clinic with pain in his stomach and left lower abdomen. The pain started 1 year ago. 2 weeks before he came to my clinic, he had had a gastroscopy and a colonoscopy and 2 polyps had been removed, but nothing abnormal had been found. 1 week later he had had a CT scan, but again nothing abnormal had been found. There was always a dull pain and sometimes a sharp pain occurred, especially after eating. His lifestyle was very healthy.
 
The result of acupuncture treatment is that after the 3rd treatment, pain in his stomach was gone, and after the 4th treatment, the pain in both his stomach and left lower abdomen was gone, and the course of acupuncture treatments was finished by the 6th treatment.
 
In every treatment, I mainly removed the pressure-pain on his abdomen, and the prolapse of his stomach and intestines were suspected so that I tried to move the organs up.
 
He also had his left shoulder pain, but this got better as well.