Read the following passage and answer if the question is true or false.
Passage: Altitude sickness, the mildest form being acute mountain sickness (AMS), is the negative health effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation. Symptoms may include headache, vomiting, feeling tired, trouble sleeping, and dizziness. Acute mountain sickness can progress to high altitude pulmonary edema (HAPE) with associated shortness of breath or high altitude cerebral edema (HACE) with associated confusion. Chronic mountain sickness may occurs after long term exposure to high altitude.

Question: is there such a thing as altitude sickness?

Is the answer True or False? Respond with only "True" or "False" and no additional text.
True.