Because many STD's exhibit no outward signs or symptoms.
Because many women have no signs or symptoms when they are infected.
Osteoporosis is often called the silent disease because the disease progresses slowly over many years without many symptoms.
it is called osteoporosis
Infants with ear infections should see a doctor. Ear infections do not go away on their own and can often lead to other, more serious ailments especially in infants and young children
The word often is an antonym (opposite) of seldom, and has a silent 't'.
Not a disease per say, the overconsumption of salt is often called the "silent killer".
The "t" in "often" is considered to be a silent consonant. Some people choose to pronounce it, while others do not.
A flag is often referred to as the silent ambassador of a country because it symbolizes the nation's identity, values, and history. Flags are displayed in various settings to represent a country when official representatives are not present.
Kidney infections, like other bacterial infections, often result in a fever. The fever causes the symptom of headaches. These infections are treated with antibiotics.
Yes. The silent "e" in "rare" follows the silent "e" rule in the English language, where the final "e" is often silent when another vowel follows it.
no
Respiratory infections
One element of a silent killer is deception. Silent killers often lead people to believe they are innocent and likable.