Scientists in Uganda have devised a tool to test for vaginal infections that is so simple, even a child could—and did—make one. In 2000, scientists at the Rakai Health Sciences Program in Kalisizo ...

肌質改善をしていく上で、必ず知っておきたいキーワードが「pH（ペーパー）」です 肌は本来“弱酸性”に保たれることで健康な状態を維持しています。では、なぜ弱酸性が良いのでしょうか？ まず、私たちの肌には「皮脂膜」と呼ばれる天然の保護膜が ...

The vagina is a slightly acidic environment, with a pH of less than 4.5. Higher pH levels allow bacteria and yeasts to thrive, which can result in bacterial and yeast infections. Vaginal pH tests ...