More On Vitamin D

The video discusses various studies on vitamin D, highlighting its ineffectiveness in improving conditions like osteoarthritis, musculoskeletal health, and hypertension. Despite widespread use, vitamin D shows little benefit in preventing falls, asthma, chronic pain, or cancer. The video also critiques the significant healthcare spending on ineffective supplements, suggesting a need for more efficient healthcare practices.

What was the main finding of the JAMA study on vitamin D and osteoarthritis?

• Vitamin D had no significant effect on knee osteoarthritis.

• Vitamin D significantly improved knee pain.

• Vitamin D reduced cartilage defects.

• Vitamin D increased bone density.

In the study on elderly women, what was the effect of vitamin D on falls?

• Vitamin D improved muscle strength.

• Vitamin D had no effect on falls.

• Vitamin D increased the risk of falls.

• Vitamin D reduced the number of falls.

What did the systematic review and meta-analysis conclude about vitamin D and blood pressure?

• Vitamin D increases blood pressure.

• Vitamin D is only effective in high doses.

• Vitamin D has no effect on blood pressure.

• Vitamin D effectively lowers blood pressure.

What was the conclusion of the Lancet meta-analysis regarding vitamin D use for osteoporosis prevention?

• Vitamin D is essential for osteoporosis prevention.

• Vitamin D is effective in all adults.

• Vitamin D should be used only in high-risk groups.

• Widespread use of vitamin D is inappropriate without deficiency.

How much did the US spend on vitamins and herbal supplements in 2015?

• $21 Billion

• $10 Billion

• $30 Billion

• $50 Billion

What is the main issue with healthcare spending according to the video?

• Insufficient spending on research.

• Too much focus on preventive care.

• Spending on ineffective treatments.

• Lack of funding for new treatments.

What is the purpose of the Healthcare Triage support system?

• To offer medical advice to viewers.

• To support the show through donations.

• To fund research on vitamin D.

• To provide free healthcare services.