Upside,
The answer to your question is no, mini-strokes do not cause a MLC. The doctor has given you the correct information about them. In some of the elderly, they are a natural order of aging. Sometimes, they are a warning of what may occur at a later time, i.e., a major stroke. Is your father on an aspirin regiment or taking a blood thinner?


Sit quietly, the answers will reveal themselves when you least expect them to.
The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.