What war war common illnesses to soldiers?

Common illnesses among soldiers during wartime often included respiratory infections, dysentery, and trench foot. Poor sanitation and living conditions contributed to the spread of diseases, while crowded barracks and inadequate medical care exacerbated the situation. Additionally, soldiers were frequently affected by mental health issues, such as shell shock, due to the stress of combat. These factors significantly impacted troop morale and overall military effectiveness.