Edema is the accumulation of fluid in bodily tissues or a body cavity. The word is derived from the Middle English word ydema, which comes from the Greek word for swelling..In people who suffer from this condition, the swelling is usually clearly visible.eeping the legs elevated may help treat leg edema. Pulmonary edema is usually caused by heart failure. Cutting back on salt may help relieve edema. Compression stockings may help prevent fluid from collecting in the lower extremities.
Key Characteristics of Hedge Funds. 1  Hedge funds utilize a variety of financial instruments to reduce risk, enhance returns and minimize the correlation with equity and bond markets. 2  Hedge funds vary enormously in terms of investment returns, volatility and risk. 3  Many hedge funds have the ability to deliver non-market correlated returns.
In an earlier article, I wrote about the iShares FTSE NAREIT Mortgage Fund ETF (NYSEARCA: REM) as a good way to generate income in an environment where interest rates are low, and yields on investment grade bonds are quite possibly at long-time lows.hile I initially thought that an ETF would be a more attractive investment because of the diversification, I found that the performance of REM significantly lagged the performance of both AGNC and NLY over all periods analyzed.