Dry eye syndrome occurs when your eyes don't produce enough tears or the tears evaporate too quickly. This can result in discomfort, irritation, and even blurred vision.

Pulmonary edema is a condition caused by excess fluid accumulation in the lungs. This fluid buildup can impair the ability of the lungs to oxygenate blood properly, leading to symptoms such as shortness of breath.

Stuttering is a speech disorder characterized by interruptions in the flow of speech, including repetitions, prolongations, or blocks of sounds, syllables, or words. It often begins in childhood and can persist into adulthood.