Body pH and health: What to know
What's the story
The human body's pH level is often discussed in relation to health, with claims that certain foods can significantly alter it. However, these claims are mostly based on misconceptions. The body has its own mechanisms to maintain pH balance, primarily through the kidneys and lungs. Understanding how these systems work can help debunk myths about diet and pH levels.
#1
The body's natural pH regulation
The human body has a natural ability to maintain its pH levels within a narrow range. The kidneys filter out excess acids or bases from the blood, while the lungs expel carbon dioxide, which helps regulate acidity. These processes ensure that the body's internal environment remains stable despite external dietary influences.
#2
Misconceptions about alkaline diets
Alkaline diets claim to improve health by reducing acidity in the body. However, scientific evidence supporting this is limited. While some foods are more alkaline-forming than others, they do not significantly affect overall blood pH. Instead, they may impact urine pH temporarily without causing long-term changes.
#3
Impact of diet on urine pH
Diet can influence urine pH but not blood pH directly. Foods like citrus fruits may make urine more acidic despite being alkaline-forming once metabolized. This is because they increase citric acid excretion rather than altering systemic acidity levels.
#4
Importance of balanced nutrition
While focusing on pH balance through diet may be misleading, it is important to consume a balanced diet rich in fruits and vegetables for overall health benefits. These foods provide essential nutrients and antioxidants that support bodily functions without dramatically altering internal pH levels.