SBS 'Three Perspectives' examines the role of 'sulfur (黃),' considered a mysterious substance within the human body, and its importance in the antioxidant system from three different viewpoints.

In this 55th episode, MC Kim Seok-hoon, So Seul-ji, writer Kwak Jae-sik, docent Lee Chang-yong, family medicine specialist Lee A-rang, and pharmacist Lee Jin-su appear to conduct an in-depth exploration of the relationship between 'sulfur' and 'glutathione.'

■ Deeply Connected to Health Since Ancient Times... Sulfur Duck Ingredients Also Analyzed

The cast provides a multifaceted explanation of the actual functions of the 'sulfur' component found in sulfur duck, widely known as a summer restorative food, and the reasons why sulfur has been associated with health throughout long history.

Docent Lee Chang-yong introduces an example from Homer's 'Odyssey' where Odysseus used sulfur to purify his home, noting that sulfur established itself as a symbol of purification in ancient Greece.

■ The Secret of Hair and Nail Odor = Sulfur

The broadcast reveals that the distinctive odor from hair and nails is caused by sulfur, and explains that sulfur is closely related to glutathione, the body's representative antioxidant substance.

Kim Seok-hoon expressed surprise, asking, 'Are you saying that glutathione and sulfur are connected?'

It was also explained that cysteine, one of the three amino acids that make up glutathione, contains sulfur.

■ 'A Shield That Blocks Reactive Oxygen Species Attacks'... Expert Explanation

Family medicine specialist Lee A-rang said, 'If reactive oxygen species are a spear that attacks cells, then glutathione is the shield that first blocks that attack,' briefly introducing the process by which glutathione neutralizes reactive oxygen species and repeatedly regenerates to protect cells.

Along with this, experts explained how sulfur contributes to cellular defense by binding with glutathione.

■ Alpha-Lipoic Acid's Role as an Assistant Also Draws Attention

Additionally, alpha-lipoic acid was discussed as an assistant that aids glutathione's antioxidant effects. Pharmacist Lee Jin-su stated, 'Alpha-lipoic acid supplies the energy for glutathione to properly perform its role.'

This broadcast newly highlights that sulfur, a symbol of purification and long known as a medicinal substance, is a core component of the human body's defense system. The actual functions and role of 'sulfur' within the human body are covered in detail in the 55th episode of SBS 'Three Perspectives'.