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.
Salt causes fluid retention. Excess salt can cause your ankles to swell. It can actually cause swelling of all of your tissues, but your ankles and eyes show the swelling most easily. Most people do not know that your body only needs 200 mg of salt a day. Most Americans consume over 4000 mg a day.