Final Answer:
Lactose intolerance is caused by insufficient production of the lactase enzyme, necessary for lactose digestion. Diagnosis involves tests such as the hydrogen breath test and lactose tolerance test, with management strategies including dietary modifications and the use of lactase supplements.
Step-by-step explanation:
Lactose intolerance stems from an inadequate production of the enzyme lactase, responsible for breaking down lactose into simpler sugars. This deficiency leads to undigested lactose reaching the colon, where it interacts with gut bacteria, causing symptoms like bloating and diarrhea. Factors influencing symptom severity include genetics, age, and overall gut health.
Diagnostic tests play a crucial role in confirming lactose intolerance. The hydrogen breath test measures hydrogen levels in breath after lactose consumption, as undigested lactose produces hydrogen gas when fermented in the colon.
The lactose tolerance test assesses blood glucose levels after consuming a lactose solution; insufficient digestion results in minimal blood glucose elevation. Once diagnosed, management involves dietary adjustments, such as limiting lactose-containing foods, and using lactase supplements to aid digestion by providing the lacking enzyme.
In conclusion, understanding the causes, diagnostic methods, and management strategies for lactose intolerance is essential. This condition, prevalent among diverse populations, requires a tailored approach to enhance individuals' ability to manage symptoms effectively and maintain a balanced diet.
Complete Question:
What causes lactose intolerance, and how is it diagnosed and managed, considering factors such as symptoms, diagnostic tests, and dietary modifications?