【食物酸鹼值會影響健康？】- 營養生Negimen

【食物酸鹼值會影響健康？】曾經有人跟您說過「酸性體質容易患癌」嗎？您相信多吃鹼性食物就可以令身體變得鹼性嗎？人體各個器官和體液一般擁有不同的酸鹼值，如胃部是強酸性，胰臟分泌液則是鹼性。而一般會影響身體運作的「身體酸鹼度」指的則是血液酸鹼度。

雖然食物有分酸鹼性，但其實食物能影響身體血液酸鹼性的機會很低，因為人體擁有完善機制，透過呼吸、尿液和從骨骼中提取鹼性物質(如鈣)來中和血液中的酸性，維持血液酸鹼值於7.35至7.45(微鹼性)範圍內，所以只有在身體機能出現問題，無法正常將酸性物質排出時才會出現身體酸鹼值失衡的現像，而不是因為身體變酸引起疾病。而亦有不少研究指出，癌細胞無論於酸性還是鹼性環境一樣可以正常生長。

營養師提提你：鹼性食物一般都是較天然的食物如蔬果，而酸性食物比較多是加工食物和肉類，所以容易出現吃鹼性食物較健康的想法。

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【Does food pH affect health?】Has anyone ever told you that "People with acidic constitution are more likely to get cancer"? Do you believe that eating more alkaline foods can make your body alkaline? Generally, organs and body fluids in the human body have different pH values. For example, the stomach is strongly acidic, while the pancreatic secretion is alkaline. It is generally referring to the blood pH when talking about the "body pH" that affects body functions.

Although food has different pH values, the chance of affecting the blood pH by food is actually very low, as the human body has a mechanism to neutralize the blood acidity through breathing, urination and the diffusing of alkaline substances (such as calcium) from bones to maintain the blood pH in the range of 7.35 to 7.45 (slightly alkaline). Therefore unless the acidic substances cannot be discharged normally due to disordered regulation mechanisms, the blood pH will not be imbalanced. Some studies have also pointed out that cancer cells can grow normally no matter in acidic or alkaline environments.

Friendly reminder: Natural foods, such as fruits and vegetables, are generally more alkaline while processed foods and meats are generally more acidic. Therefore it is common to assume that eating alkaline foods is healthier.

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