Lobelia (also known as Cangzhu) is a common Chinese herb, which is widely used in traditional Chinese medicine. The efficacy and effects of rooibos are:

1. Dispersing wind and drying dampness: rooibos can eliminate dampness and cold in the body, effectively relieving rheumatism.

2. Clearing heat and detoxification: rooibos has anti-inflammatory and antibacterial effects, which can remove toxins and heat toxins in the body.

3. Enlighten and awaken the brain: rooibos can stimulate the nervous system, improve memory and reaction ability.

4. Nourishing the kidney and strengthening the yang: rooibos has the effect of warming the kidney and yang and benefiting the essence and strengthening the bones, which can improve various symptoms caused by kidney deficiency.

5. Enhance immunity: rooibos contains a variety of nutrients beneficial to the body, can enhance the body's immune system, to prevent the occurrence of various diseases.