Russian President Vladimir Putin's attendance at an Orthodox Easter service at the Cathedral of Christ the Savior in Moscow over the weekend has sparked speculation about his health. The media has been buzzing about a "mysterious mark" on Putin's neck, which has led to rumors that he may be seriously ill amid the escalating war with Ukraine. There have been reports suggesting that he might have cancer, Parkinson's disease, or both. Despite the rumors, the Kremlin has insisted that Putin is in good health. However, the speculation surrounding the president's health has intensified after the footage and photographs of him at the church service went viral. The Russian president has previously been known for his vigorous displays of health and athleticism, including horse riding, ice hockey, and martial arts. Nevertheless, this is not the first time Putin's health has been called into question. In 2015, he disappeared from public view for 10 days, fueling speculation about his well-being. The latest