Ken Jones, a leading amateur microscopist, specialises in video-filming pond-life. One of his videos captures the enigmatic and graceful movement of Volvox, and he has kindly allowed us to show some extracts from his film on this page. A single Volvox colony spins through the dark waters of a pond. Daughter cells are just visible inside. Micscape Editor's note.
Heart, liver, or kidney disease. Sometimes swelling can indicate a problem such as heart, liver, or kidney disease. Ankles that swell in the evening could be a sign of retaining salt and water because of right-sided heart failure. Kidney disease can also cause foot and ankle swelling.
Include plenty of low-sodium foods like fruits and vegetables in your diet. If you notice swelling in your feet and ankles, you are suffering from what is medically called edema. Certain medical conditions, including pregnancy or liver disease, and medications can cause edema, along with a diet high in sodium. Treatment requires you first take care of the underlying cause.