The first 1,000 days after birth are a critical period for building the foundation of lifelong immunity, with vitamin D acting as a key regulator of immune cell function, not just bone health. Modern lifestyles mean many pregnant women and infants lack vitamin D, increasing the need for supplementation. Kim Seok-jin of Good Bacteria Research Institute introduced guidance on managing vitamin D and safe dosing, while warning against excessive long-term intake and advising blood tests and medical consultation.

Kakao Entertainment said on Thursday it has opened an official fan community on its K-culture fan platform Berris for MBC\'s new Friday-Saturday drama \'Married Woman Killer\'. The drama, which premieres at 9:50 p.m. on Thursday, is based on a Kakao webtoon of the same name that has logged 190 million cumulative views. The community offers real-time discussion boards and image-sharing sections, and an event runs through Aug. 9.