An Unhealthy pH Level. Tooth decay can occur when the pH level in the mouth is 5.5. For reference, the neutral level is 7.0. When we consume acidic foods and drinks, the pH within the mouth decreases and can cause the pH in the dental plaque to fall rapidly below 5.0.
Plastic Golden Age Passports are valid for a lifetime. However, if you do want the new Senior Pass, you may purchase one for $10, with proof of identification (e.g., driver's license, birth certificate, or similar government-issued document).lastic Golden Age Passports are valid for a lifetime. However, if you do want the new Senior Pass, you may purchase one for $10, with proof of identification (e.g., driver's license, birth certificate, or similar government-issued document).
Senior tickets are valid for adults 60+. Child tickets for 2 - 12 years. Student: Age 13+ with valid student ID. Not all ticket types are available for all performances. Rated-R Films: Under 17 requires accompanying parent or adult guardian (age 21 or older). 25 years and under must show ID for rated R movies.